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JEE Main & Advanced NSEP PYQs with solutions

Chapter-wise NSEP previous year questions for JEE Main & Advanced. Open any question for options, correct answer and solution.

451 questions30 chapters

Ray Optics

48 PYQs

Electrostatics

33 PYQs

Rotational Motion

32 PYQs

Current Electricity

25 PYQs

Waves and Sound

25 PYQs

Mechanical Properties of Fluids

24 PYQs

Magnetic Effects of Current

23 PYQs

Dual Nature of Matter

20 PYQs

Work Power Energy

18 PYQs

Semiconductors

17 PYQs

Oscillations

17 PYQs

Thermodynamics

17 PYQs

Thermal Properties of Matter

15 PYQs

Laws of Motion

15 PYQs

Gravitation

14 PYQs

Wave Optics

13 PYQs

Alternating Current

12 PYQs

Motion In One Dimension

11 PYQs

Nuclear Physics

10 PYQs

Electromagnetic Induction

10 PYQs

Atomic Physics

10 PYQs

Units and Dimensions

8 PYQs

Capacitance

8 PYQs

Motion In Two Dimensions

8 PYQs

Magnetic Properties of Matter

4 PYQs

Electromagnetic Waves

4 PYQs

Mathematics in Physics

3 PYQs

Kinetic Theory of Gases

3 PYQs

Mechanical Properties of Solids

3 PYQs

Center of Mass Momentum and Collision

1 PYQs

1

An ac source (sinusoidal source with frequency 50 Hz ) is connected in series with a rectifying diode, a 100 resistor, a 1000 ~F capacitor and a milliammeter. After some time the m

Olympiad workbook Solution View → 2

The fundamental frequency of the output of a bridge rectifier driven by ac mains is

Olympiad workbook Solution View → 3

Which one of the following devices does not respond to the intensity of light incident on it?

Olympiad workbook Solution View → 4

The half-life period of a radioactive element E₁ is equal to the mean lifetime of another radioactive element E₂ . Initially both the elements have the same number of atoms. Theref

Olympiad workbook Solution View → 5

The fraction of the original number of nuclei of a radioactive atom having a mean life of 10 days, that decays during the 5^ th day is

Olympiad workbook Solution View → 6

Natural Uranium is a mixture of ₉₂²³⁸ U and ₉₂²³⁵ U with a relative mass abundance of 140: 1 . The ratio of radioactivity contributed by the two isotopes of natural uranium, if the

Olympiad workbook Solution View → 7

A resistor R is connected to a parallel combination of two identical batteries each with emf E and an internal resistance r . The potential drop across the resistance R is

Olympiad workbook Solution View → 8

Paragraph: A nichrome wire A B, 100 ~cm long and of uniform cross section is mounted on a meter scale, the ₁ and B coinciding with 0 cm and 100 cm marks respectively. The wire has

Olympiad workbook Solution View → 9

Two cells each of emf E and internal resistances r₁ and r₂ respectively are connected in series with an external resistance R . The potential difference between the terminals of th

Olympiad workbook Solution View → 10

Two wires made of the same material, one thick and the other thin, are connected to form a composite wire. The composite wire is subjected to some tension. A wave travelling along

Olympiad workbook Solution View → 11

Two identical loudspeakers, placed close to each other inside a room, are supplied with the same sinusoidal voltage. One can imagine a pattern around the loudspeakers with areas of

Olympiad workbook Solution View → 12

The frequency of the sound produced by a siren increases from 400 Hz to 1200 Hz while its amplitude remains the same. Therefore, the ratio of the intensity of the 1200 Hz wave to t

Olympiad workbook Solution View → 13

A quantity is defined as =e^2 / 4 ₀ c , where e is electric charge, =h / 2 is the reduced Planck's constant and c is the speed of light. The dimensions of are

Olympiad workbook Solution View → 14

A student performs an experiment with a simple pendulum and records the time for 20 oscillations. If he would have recorded time for 100 oscillations, the error in the measurement

Olympiad workbook Solution View → 15

In a spectrometer the smallest main scale division is 1 3 of a degree. The total number of divisions on the vernier scale attached to the main scale is 60 which coincide with the 5

Olympiad workbook Solution View → 16

At a certain height h above the surface of the earth the change in the value of acceleration due to gravity (g) is the same as that at a depth x below the surface. Assuming h and x

Olympiad workbook Solution View → 17

If Newton's inverse square law of gravitation had some dependence on radial distance other than r⁻² , which one of Kepler's three laws of planetary motion would rNone of the above

Olympiad workbook Solution View → 18

Let R be the radius of the earth. In general, the loss of gravitational potential energy of a body of mass m falling from a height h to the earth surface is

Olympiad workbook Solution View → 19

Two particles of masses m₁ and m₂ carry identical charges. Starting from rest they are accelerated through the same potential difference. Then they enter into a region of uniform m

Olympiad workbook Solution View → 20

The breakdown field for air is about 2 10^6 volt / m . Therefore, the maximum charge that can be placed on a sphere of diameter 10 cm is

Olympiad workbook Solution View → 21

A uniform spherical charge distribution of radius R produces electric fields E ₁ and E ₂ at two points at distances r₁ and r₂ respectively from the centre of the distribution. Out

Olympiad workbook Solution View → 22

A slit of width a is illuminated by parallel monochromatic light of wavelength . The value of a at which the first minimum of the diffraction pattern will form at =30^ is

Olympiad workbook Solution View → 23

Initially interference is observed with the entire experimental set up inside a chamber filled with air. Now the chamber is evacuated. With the same source of light used, a careful

Olympiad workbook Solution View → 24

The Hubble telescope in orbit above the earth has a 2.4 m circular aperture. The telescope has equipment for detecting ultraviolet light. The minimum angular separation between two

Olympiad workbook Solution View → 25

The diagram shows an oscillating block connected to two identical springs. The frequency of oscillations can be increased substantially by

Olympiad workbook Solution View → 26

A simple pendulum has a bob of mass m and a light string of length l . The string is replaced by a uniform rod of mass m and of the same length l . The time period of this pendulum

Olympiad workbook Solution View → 27

When a body is suspended from a fixed point by a spring, the angular frequency of its vertical oscillations is ₁ . When a different spring is used, the angular frequency is ₂ . The

Olympiad workbook Solution View → 28

A sphere of radius R made up of Styrofoam (light polystyrene material) has a cavity of radius R / 2 . The centre of the cavity is situated at a distance of R / 2 from the centre of

Olympiad workbook Solution View → 29

A ball A of mass 1 kg moving at a speed of 5 ~m / s strikes tangentially another ball B initially at rest. The ball A then moves at right angles to its initial direction at a speed

Olympiad workbook Solution View → 30

Consider two point masses m₁ and m₂ connected by a light rigid rod of length r₀ . The moment of inertia of the system about an axis passing through their centre of mass and perpend

Olympiad workbook Solution View → 31

The Sun having radius R and surface temperature T , emits radiation as a perfect emitter. The distance of the earth from the sun is r and the radius of the earth is R_ e . The tota

Olympiad workbook Solution View → 32

Graphs (drawn with the same scale) showing the variation of pressure with volume for a certain gas undergoing four different cyclic processes , B , C and D are given below. The cyc

Olympiad workbook Solution View → 33

The molar specific heat of an ideal gas in a certain thermodynamic process is T where is a constant. If the adiabatic exponent is = C_P C_V , the work done in heating the gas from

Olympiad workbook Solution View → 34

Circuit A is a series LCR circuit with C_ A =C and L_ A =L . Another circuit B has C_ B =2 C and L_ B =L / 2 . Both the circuits have the same resistance and the capacitor and the

Olympiad workbook Solution View → 35

The impedance (Z) of three electrical components e₁, e₂ and e₃ has frequency (f) dependence as shown by the following three curves. The three components e₁, e₂, e₃ are respectively

Olympiad workbook Solution View → 36

A 10 ohm resistor is connected to a supply voltage alternating between +4 V and -2 V as shown in the following graph. The average power dissipated in the resistor per cycle is

Olympiad workbook Solution View → 37

Consider a manual camera with a lens having a focal length of 5 cm . It is focused at infinity. For catching the picture of an object at a distance of 30 cm , one would

Olympiad workbook Solution View → 38

A point source of light is viewed through a plate of glass of thickness t and of refractive index 1.5. The source appears

Olympiad workbook Solution View → 39

A small fish, 4 cm below the surface of a lake, is viewed through a thin converging lens of focal length 30 cm held 2 cm above the water surface. Refractive index of water is 1.33

Olympiad workbook Solution View → 40

A block of mass 2 kg drops vertically from a height of 0.4 m onto a spring whose force constant K is 1960 ~N / m . Therefore, the maximum compression of the spring is

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