Twelfth Grade NEET and IIT
Maths - Expressions and Equations-Arithmetic to Algebraic
Arithmetic to algebraic expressions
1M 0 secs
Maths - Expressions and Equations-Arithmetic to Algebraic
Solving one variable linear equations
1M 0 secs
Maths - Geometry
Euler relation of faces vertics and edges | net diagrams of prims | number of vertices | edges and sides | the relation between them | Euler's Relation | triangular prism | rectangular prism | pentagonal prism | octagonal prism
844K 0 secs
Maths - Expression and Equation
Solving one variable inequality on a number line Interactive
844K 0 secs
Maths - Number System
Irrational numbers | Real numbers | Rational and Irrational numbers
844K 0 secs
Maths - Algebra-Equations and Expressions
Distance and slope of line segment joining two given points
844K 0 secs
Maths - Algebra-Equations and Expressions
Two variable inequality - which side should be shaded
844K 0 secs
Maths - Functions-Equations and Expressions
Difference between Linear and non-linear functions
844K 0 secs
Maths - Functions-Equations and Expressions
Graphing linear equations of slope intercept and general forms
844K 0 secs
Maths - Functions-Equations and Expressions
Point slope form and review of linear equations
844K 0 secs
Maths - Functions-Equations and Expressions
Properties of System of simultaneous equations
844K 0 secs
Maths - Functions-Equations and Expressions
Writing a function rule from a table or graph
844K 0 secs
Maths - Geometry
Mid point theorem geometry application of similar triangles higher level
844K 0 secs
Maths - Interpreting Functions
Graphing linear equations of slope intercept and general forms
844K 0 secs
Maths - Algebra - (Grade 6-8) Revision
Distance and slope of line segment joining two given points
844K 0 secs
Physics - Electrostatic Potential And Capacitance
Electrostatic Potential And Capacitance
844K 0 secs
Physics - Electrostatic Potential And Capacitance
Electrostatic Potential And Capacitance
844K 0 secs
Physics - Electrostatic Potential And Capacitance
Electrostatic Potential And Capacitance
844K 0 secs
Physics - Electrostatic Potential And Capacitance
Electrostatic Potential And Capacitance
665K 0 secs
Physics - Electrostatic Potential And Capacitance
Electrostatic Potential And Capacitance
665K 0 secs
Physics - Electrostatic Potential And Capacitance
Electrostatic Potential And Capacitance
665K 0 secs
Physics - Electrostatic Potential And Capacitance
Electrostatic Potential And Capacitance
665K 0 secs
Physics - Electrostatic Potential And Capacitance
Electrostatic Potential And Capacitance
665K 0 secs
Physics - Electrostatic Potential And Capacitance
Electrostatic Potential And Capacitance
665K 0 secs
Physics - Electrostatic Potential And Capacitance
Electrostatic Potential And Capacitance
665K 0 secs
Biology - Biological Classification
1. Biological Classification,Kingdom Monera,Kingdom Protista
665K 0 secs
Biology - Biological Classification
2. Kingdom Protista,Kingdom Fungi-Reproduction in Fungi
665K 0 secs
Biology - Biological Classification
3. Kingdom Fungi-Kingdom Plantae,Kingdom Animalia,Viruses
665K 0 secs
Biology - Plant kingdom
1. Plant Kingdom(Introduction, Systems of Biological Classification)
665K 0 secs
Chemistry - Solid State
Solid state, Amorphous and Crystalline Solids, Differences: Crystalline and Amorphous solids, Classification of Crystalline solids, Classification of Molecular solids, Ionic solid, Covalent solid, Metallic solid, Crystal Lattice and Unit Cell, Classification of Unit Cell, Formation of unit cells: Seven forms, 14 possible 3D Bravais lattices, Close Packed Structures, Two Dimensional Close Packing, Three Dimensional Close Packing, Three Dimensional Close Packing
845K 0 secs
Chemistry - Solid State
Locating Tetrahedral & Octahedral Voids, Number of voids filled: Chemical formula, Problem, Number of Atoms in a Unit Cell, Packing Efficiency
845K 0 secs
Chemistry - Solid State
Calculation of density of unit cell, Problem, Imperfection/Defects in Crystals, Point Defects, Stoichiometry Defects, Difference between Schottky and Frenkel, Non-stoichiometry Defects, Impurity Defects
845K 0 secs
Biology - Plant kingdom
5. Bryophyte- gametophyte and Sporophyte,Economic importance of Bryophytes
665K 0 secs
Physics - Current Electricity
Internal resistance of a cell potential difference and EMF of a cell
665K 0 secs
Biology - Reproduction in Organisms
1. Reproduction in Organisms- Types,Asexual reproduction
665K 0 secs
Maths - Integrals Calculus
Introduction of indefinite integrals and Some properties of indefinite integrals
665K 0 secs
Maths - Integrals Calculus
Evaluation of indefinite integrals - Integration by Substitution
665K 0 secs
Chemistry - Electrochemistry
What is Electrochemistry, Electrochemical Cell, Cell Electromotive Force (EMF), Galvanic cell, Construction of a Galvanic Cell (Daniell), Role of a Salt bridge, Electrolytic cell, Electrolysis of molten NaCl, Electrolysis of aqueous NaCl, Galvanic Cell Vs Electrolytic cell, Representation of Galvanic cell
845K 0 secs
Chemistry - Solutions
Expressing concentration of solution, Problem, Solubility, Solubility of solid solute in liquid solvent, Factors affecting solubility of solid in liquid, Effect of Temperature & Pressure, Solubility of gaseous solute in liquid solvent, Henry’s law, Raoult’s Law on Vapour pressure
845K 0 secs
Chemistry - Solutions
Vapour pressure-Composition diagrams, Raoult’s Law on Vapour pressure, Relationship between B.P.
845K 0 secs
Chemistry - Solutions
Azeotrope (Constant boiling mixture), Ideal & Non-ideal solutions, Colligative Properties, Lowering of Vapour Pressure, Elevation of Boiling Point, Problem, Depression of Freezing Point
845K 0 secs
Chemistry - Solutions
Osmosis and Osmotic Pressure, Problem, Reverse Osmosis, Reverse Osmosis, Tonicity & Osmosis, Abnormal colligative properties, Van’t Hoff Factor
845K 0 secs
Chemistry - Solutions
Problem, ‘i’ and Extent of association/dissociation, Van’t Hoff Theory of Dilute Solutions
845K 0 secs
Physics - Moving Charges And Magnetism
Ampere’s Circuital Law and it’s Applications Part 1
665K 0 secs
Physics - Moving Charges And Magnetism
Ampere’s Circuital Law and it’s Applications Part 2
665K 0 secs
Maths - Integrals Calculus
Integration by Substitution - Direct and Indirect Substitution
665K 0 secs
Maths - Integrals Calculus
Integration using trigonometric identities and Integrals of Some Particular Functions
843K 0 secs
Biology - Reproduction in Organisms
4. Artificial/ Horticultural methode of vegetative reproduction
665K 0 secs
Maths - Integrals Calculus
Evaluation of indefinite integrals - Integration by parts method
665K 0 secs
Chemistry - Solutions
Mixture, What is solution?, Types of solution, Expressing concentration of solution, Problem
666K 0 secs
Chemistry - Solutions
Expressing concentration of solution, Problem, Solubility, Solubility of solid solute in liquid solvent, Factors affecting solubility of solid in liquid
666K 0 secs
Chemistry - Electrochemistry
EMF vs Potential Difference, Types of Electrode, Problem, Electrode Potential, Measurement of Standard Electrode Potential, SHE can be Cathode or Anode, Problem, Electrochemical series
845K 0 secs
Chemistry - Electrochemistry
Electrochemical series, Application of Electrochemical series, Problem
845K 0 secs
Chemistry - Electrochemistry
Problem, Gibbs Free Energy & Cell potential, Gibbs Free Energy & Work done, Nernst equation, Relation between SEP and Equilibrium constant, Inter-relations among ΔGo, EoCell and Keq, Use of Nernst Eq. to find EMF "
845K 0 secs
Chemistry - Electrochemistry
Use of Nernst Eq. to find EMF, Problem, Temperature coefficient, Conductance
845K 0 secs
Chemistry - Electrochemistry
Metallic/Electronic & Electrolytic Conductance, Metallic Vs Electrolytic Conductance, Strong & Weak electrolyte, Resistance, Molar Conductance, Equivalent Conductance, FACTORS AFFECTING THE CONDUCTANCE, Three types of Conductances
844K 0 secs
Biology - Sexual Reproduction in Flowering Plants
1. The Flower, Parts of flower- Androecium
665K 0 secs
Biology - Sexual Reproduction in Flowering Plants
2. Pollengrain structure , Economic importance
665K 0 secs
Maths - Integrals Calculus
Evaluation of indefinite integrals - Integration by partial fractions
665K 0 secs
Chemistry - Solutions
Effect of Temperature & Pressure, Solubility of gaseous solute in liquid solvent, Henry’s law, Raoult’s Law on Vapour pressure, Vapour pressure-Composition diagrams
666K 0 secs
Chemistry - Solutions
Raoult's Law on Vapour pressure, Relationship between B.P. & V.P., Boiling point-Composition diagram, How to use the Phase diagram, Fractional distillation, Deviation from Raoult’s law, Ideal & Non-ideal solutions,
666K 0 secs
Chemistry - Solutions
Azeotrope (Constant boiling mixture), Colligative Properties, Lowering of Vapour Pressure, Elevation of Boiling Point, Problem
666K 0 secs
Chemistry - Solutions
Depression of Freezing Point, Osmosis and Osmotic Pressure, Problem
666K 0 secs
Chemistry - Solutions
Reverse Osmosis, Reverse Osmosis, Tonicity and Osmosis, Abnormal colligative properties, Van’t Hoff Factor, ‘i’ and Extent of association/dissociation
666K 0 secs
Chemistry - Electrochemistry
What is Electrochemistry, Electrochemical Cell, Cell Electromotive Force (EMF), Galvanic cell, Construction of a Galvanic Cell (Daniell), Role of a Salt bridge, Electrolytic cell, Electrolysis of molten NaCl, Electrolysis of aqueous NaCl "
666K 0 secs
Biology - Sexual Reproduction in Flowering Plants
Sexual Reproduction in Flowering Plants
665K 0 secs
Chemistry - Electrochemistry
Problem, Quantitative Aspects of Electrolysis, Combining two Laws, Concept of Overpotential in Electrolysis
844K 0 secs
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Physics - NEET and IIT
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Physics - NEET and IIT
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Physics - NEET and IIT
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Physics - NEET and IIT
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Physics - NEET and IIT
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Physics - NEET and IIT
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Physics - NEET and IIT
Physics | NEET UG 2021 | Previous Year Questions with Solution | Question 10 | Water falls from a height of 60 m at the rate of 15kg/s to operate a turbine. The losses due to frictional force are 10% of the input energy. How much power is generated by the turbine? (g = 10 m/s2)
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Physics - NEET and IIT
Physics | NEET UG 2021 | Previous Year Questions with Solution | Question 9 | The number of photons per second on an average emitted by the source of monochromatic light of wavelength 600 nm, when it delivers the power of 3.3×10−3 watt will be : (h = 6.6×10−34 Js)
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Physics - NEET and IIT
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Physics - NEET and IIT
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Physics - NEET and IIT
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Physics - NEET and IIT
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Physics - NEET and IIT
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Physics - NEET and IIT
Physics | NEET UG 2021 | Previous Year Questions with Solution | Question 2 | The half-life of a radioactive nuclide is 100 hours. The fraction of original activity that will remain after 150 hours would be :
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Physics - NEET and IIT
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Physics - NEET and IIT
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Physics | JEE Advanced Previous Year Questions 2022 with Solution. (q.2) The minimum kinetic energy needed by an alpha() particle to cause the nuclear reaction (_7^16)? (_2^4)??→(_1^1)? (_8^19)? in a laboratory frame is n (in MeV). Assume (_7^16)? is at rest in the laboratory fame. The masses of (_7^16)?, (_2^4)??, (_1^1)? ??? (_8^19)? can be taken to be 16.006 u, 4.003 u, 1.008 u and 19.003 u respectively where 1 ?=930 ????^(−2). The value of n is_____.
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Physics - NEET and IIT
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JEE Advanced Previous Year Questions 2023 with Solution. (q.20) An electric dipole is formed by two charges +q and –q located in xy-plane at (0, 2) mm and (0, −2) mm, respectively, as shown in the figure. The electric potential at point P (100, 100) mm due to the dipole is V0. The charges +q and –q is then moved to the points (−1, 2) mm and (1, −2) mm, respectively. What is the value of electric potential at P due to the new dipole?
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Physics - NEET and IIT
JEE Advanced Previous Year Questions 2023 with Solution. (q.19) An ideal gas is in thermodynamic equilibrium. The number of degrees of freedom of a molecule of the gas is n. The internal energy of one mole of the gas is Un and the speed of sound in the gas is Vn . At a fixed temperature and pressure, which of the following is the correct option?
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JEE Advanced Previous Year Questions 2023 with Solution. (q.16) A thin conducting rod MN of mass 20 gm, length 25 cm and resistance 10 Ω is held on frictionless, long, perfectly conducting vertical rails as shown in the figure. There is a uniform magnetic field B0 = 4 T directed perpendicular to the plane of the rod-rail arrangement. The rod is released from rest at time t = 0 and it moves down along the rails. Assume air drag is negligible. Match each quantity in List-I with an appropriate value from List-II, and choose the correct option.
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JEE Advanced Previous Year Questions 2023 with Solution. (q.14) An optical arrangement consists of two concave mirrors M1 and M2, and a convex lens L with a common principal axis, as shown in the figure. The focal length of L is 10 cm. The radii of curvature of M1 and M2 are 20 cm and 24 cm, respectively. The distance between L and M2 is 20 cm. A point object S is placed at the mid-point between L and M2 on the axis. When the distance between L and M1 is ?/7 cm, one of the images coincides with S. The value of ? is _______
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JEE Advanced Previous Year Questions 2023 with Solution. (q.12) A series LCR circuit is connected to a 45 sin(ωt) Volt source. The resonant angular frequency of the circuit is 105 rad s−1and current amplitude at resonance is I0. When the angular frequency of the source is ω = 8 × 104 rad s−1, the current amplitude in the circuit is 0.05 I0. If L = 50 mH, match each entry in List-I with an appropriate value from List-II and choose the correct option.
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JEE Advanced Previous Year Questions 2023 with Solution q.11 A slide with a frictionless curved surface, which becomes horizontal at its lower end, is fixed on the terrace of a building of height 3ℎ from the ground, as shown in the figure. A spherical ball of mass ? is released on the slide from rest at a height ℎ from the top of the terrace. The ball leaves the slide with a velocity ? ⃗u0 = ?u0?̂x and falls on the ground at a distance ? from the building making an angle ? with the horizontal. It bounces off with a velocity ? ⃗ and reaches a maximum height ℎ1. The acceleration due to gravity is ? and the coefficient of restitution of the ground is 1/√3 . Which of the following statement(s) is(are) correct?
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JEE Advanced Previous Year Questions 2023 with Solution q.10 A person of height 1.6 m is walking away from a lamp post of height 4 m along a straight path on the flat ground.
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JEE Advanced Previous Year Questions 2023 with Solution q.9 A bar of mass M = 1.00 kg and length L = 0.20 m is lying on a horizontal frictionless surface. One end of the bar is pivoted at a point about which it is free to rotate. A small mass m = 0.10 kg is moving on the same horizontal surface with 5.00 ms–1 speed on a path perpendicular to the bar. It hits the bar at a distance L/2 from the pivoted end and returns back on the same path with speed v. After this elastic collision, the bar rotates with an angular velocity ω. Which of the following statement is correct?
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Physics - NEET and IIT
JEE Advanced Previous Year Questions 2023 with Solution q.8 A container has a base of 50 cm × 5 cm and height 50 cm, as shown in the figure. It has two parallel electrically conducting walls each of area 50 cm × 50 cm. The remaining walls of the container are thin and non-conducting. The container is being filled with a liquid of dielectric constant 3 at a uniform rate of 250 cm3 s−1. What is the value of the capacitance of the container after 10 seconds?
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Physics - NEET and IIT
JEE Advanced Previous Year Questions 2023 with Solution q.7 A plane polarized blue light ray is incident on a prism such that there is no reflection from the surface of the prism. The angle of deviation of the emergent ray is δ = 60° (see Figure-1). The angle of minimum deviation for red light from the same prism is δmin = 30° (see Figure-2). The refractive index of the prism material for blue light is √3. Which of the following statement(s) is(are) correct ?
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Physics - NEET and IIT
JEE Advanced Previous Year Questions 2023 with Solution q.6 In a circuit shown in the figure, the capacitor C is initially uncharged and the key K is open. In this condition, a current of 1 A flows through the 1 Ω resistor. The key is closed at time t = t0. Which of the following statement(s) is(are) correct? [Given : e–1 = 0.36]
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JEE Advanced Previous Year Questions 2023 with Solution q.4 Two satellites P and Q are moving in different circular orbits around the Earth (radius R). The heights of P and Q from the Earth surface are hP and hQ, respectively, where hP = R/3. The accelerations of P and Q due to Earth’s gravity are gP and gQ respectively. If ?gP/gQ =36/25, what is the value of hQ?
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JEE Advanced Previous Year Questions 2023 with Solution q.5 One mole of an ideal gas expands adiabatically from an initial state (TA, V0) to final state (Tf, 5V0). Another mole of the same gas expands isothermally from a different initial state (TB, V0) to the same final state (Tf, 5V0). The ratio of the specific heats at constant pressure and constant volume of this ideal gas is γ. What is the ratio TA / TB?
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JEE Advanced Previous Year Questions 2023 with Solution q.3 A Hydrogen-like atom has atomic number Z. Photons emitted in the electronic transitions from level n = 4 to level n = 3 in these atoms are used to perform photoelectric effect experiment on a target metal. The maximum kinetic energy of the photoelectrons generated is 1.95 eV. If the photoelectric threshold wavelength for the target metal is 310 nm, the value of Z is _______. [Given hc = 1240 eV-nm and Rhc = 13.6 eV, where R is the Rydberg constant, h is the Planck’s constant and c is the speed of light in vacuum]
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JEE Advanced Previous Year Questions 2023 with Solution q.2 In an experiment for determination of the focal length of a thin convex lens, the distance of the object from the lens is 10 ± 0.1 cm and the distance of its real image from the lens is 20 ± 0.2 cm. The error in the determination of focal length of the lens is n%. The value of n is _____.
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JEE Advanced Previous Year Questions 2023 with Solution q.1 A closed container contains a homogeneous mixture of two moles of an ideal monatomic gas (γ = 5/3) and a one mole of an ideal diatomic gas (γ = 7/5). Here, γ is the ratio of the specific heats at constant pressure and constant volume of an ideal gas. The gas mixture does a work of 66 Joule when heated at constant pressure. The change in its internal energy is ________ Joule
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