📘 NEET Mock Test 2025 – Set 1
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1. The value of electric potential at any point due to any electric dipole is [New NCERT/XII/50, 51]

a) k⋅(p ⃗×r ⃗)/r²
b) k⋅(p ⃗×r ⃗)/r³
c) k⋅(p ⃗⋅r ⃗)/r²
d) k⋅(p ⃗⋅r ⃗)/r³

2. An electron of mass m and charge e initially at rest gets accelerated by a constant electric field E. The rate of change of de-Broglie wavelength of this electron at time t ignoring relativistic effects is [New NCERT/XII/285]

a) (-h)/eEt²
b) (-" eht ")/E
c) (-mh)/eEt²
d) (-h)/eE

3. The position of particle is given by r ⃗=2t² î+3tĵ+4k̂, where t is in second and the coefficients have proper units for r ⃗ to be in metre. The a⃗(t) of the particle at t=1s is [New NCERT/XI/36]

a) 4ms⁻² along y-direction
b) 3ms⁻² along x-direction
c) 4ms⁻² along x-direction
d) 2ms⁻² along z-direction

4. A charge Q is enclosed by a Gaussian spherical surface of radius R. If the radius is doubled, then the outward electric flux will [New NCERT/XII/30]

a) increase four times
b) be reduced to half
c) remain the same
d) be doubled

5. The number of significant figures in a number "1700.00200" is [New NCERT/XI/4, 5]

a) 3
b) 7
c) 9
d) 10

6. Two identical thin metal plates has charge q₁ and q₂ respectively such that q₁ > q₂. The plates were brought close to each other to form a parallel plate capacitor of capacitance C. The potential difference between them is: [New NCERT/XII/72]

a) (q₁+q₂)/C
b) (q₁−q₂)/C
c) (q₁−q₂)/2C
d) 2(q₁−q₂)/C

7. When a potential difference V is applied across a conductor at a temperature T, the drift velocity of electrons is proportional to [New NCERT/XII/86]

a) √V
b) V
c) √T
d) T

8. In magnitude hydraulic stress is equal to [New NCERT/XI/169]

a) hydraulic force
b) hydraulic pressure
c) restoring force
d) hydraulic strain

9. A particle of mass 0.3 kg subject to a force F = -kx with k = 15 N/m. What will be its initial acceleration if it is released from a point 20 cm away from the origin? [New NCERT/XI/54]

a) 15 m/s²
b) 3 m/s²
c) 10 m/s²
d) 5 m/s²

10. Maximum speed of car for safe turning on horizontal road is [New NCERT/XI/64]

a) √μRg
b) 2√μRg
c) √Rg
d) 4√Rg

11. Assertion: Ampere's law used for the closed loop shown in figure is written as ∮ B⃗·dl⃗ = μ₀(i₁ − i₂). Right side of it does not include i₃, because it produces no magnetic field at the loop.
Reason: The line integral of magnetic field produced by i₃ over the close loop is zero. [New NCERT/XII/118]

a) If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
b) If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
c) If the Assertion is correct but Reason is incorrect.
d) If the Assertion is incorrect and Reason is correct.

12. A bar magnet having centre O has a length of 4 cm. Point P₁ is in the broad side-on and P₂ is in the end side-on position with OP₁ = OP₂ = 10 metres. The ratio of magnetic intensities H at P₁ and P₂ is [New NCERT/XII/139]

a) H₁:H₂ = 16:100
b) H₁:H₂ = 1:2
c) H₁:H₂ = 2:1
d) H₁:H₂ = 100:16

13. Fig shown below represents an area A = 0.5 m² situated in a uniform magnetic field B = 2.0 Wb/m² and making an angle of 60° with respect to magnetic field. The value of the magnetic flux through the area would be equal to [New NCERT/XII/157]

a) 2.0 weber
b) √3 weber
c) √3/2 weber
d) 0.5 weber

14. Given below are two statements:
Statement I: Mass is a measure of inertia of the body.
Statement II: Greater the mass, greater is the force required to change its state of rest or of uniform motion. [New NCERT/XI/50, 51, 52]

a) Both statement I and II are correct.
b) Both statement I and II are incorrect.
c) Statement I is correct but statement II is incorrect.
d) Statement II is correct but statement I is incorrect.

15. If a motorcyclist skids and stops after covering a distance of 15 m. The stopping force acting on the motorcycle by the road is 100 N, then the work done by the motorcycle on the road is [New NCERT/XI/74]

a) 1500 J
b) -1500 J
c) 750 J
d) Zero

16. A metal ball of mass 2 kg moving with a velocity of 36 km/h has a head-on collision with a stationary ball of mass 3 kg. If after the collision, the two balls move together, the loss in kinetic energy due to collision is [New NCERT/XI/84, 85]

a) 140 J
b) 100 J
c) 60 J
d) 40 J

17. The coordinates of centre of mass of a uniform flag shaped lamina (thin flat plate) of mass 4 kg are: [New NCERT/XI/98]

a) (1.25 m, 1.50 m)
b) (0.75 m, 1.75 m)
c) (0.75 m, 0.75 m)
d) (1 m, 1.75 m)

18. When a ceiling fan is switched off, its angular velocity falls to half while it makes 36 rotations. How many more rotations will it make before coming to rest? [New NCERT/XI/117]

a) 24
b) 36
c) 18
d) 12

19. Newton's universal law of gravitation applies to

a) small bodies only
b) planets only
c) both small and big bodies
d) only valid for solar system

20. An A.C. source is connected to a resistive circuit. Which of the following is true? [New NCERT/XII/181]

a) Current leads ahead of voltage in phase
b) Current lags behind voltage in phase
c) Current and voltage are in same phase
d) Any of the above may be true depending upon the value of resistance.

21. In order to establish an instantaneous displacement current of 5 mA in the space between the plates of 5μF parallel plate capacitor, the potential difference need to apply is [New NCERT/XII/203]

a) 100 V/s
b) 200 V/s
c) 300 V/s
d) 1000 V/s

22. A concave mirror is used for face viewing has focal length of 0.6 m. At what distance should you hold the mirror from your face to get an upright image with a magnification of 4? [New NCERT/XII/226]

a) 0.20 m
b) 0.25 m
c) 0.40 m
d) 0.45 m

23. Two satellites A and B of masses 200 kg and 400 kg are revolving round the earth at height of 600 km and 1600 km respectively. If TA and TB are the time periods of A and B respectively then the value of TB − TA: [New NCERT/XI/137]

a) 4.24 × 10² s
b) 1.33 × 10³ s
c) 4.24 × 10³ s
d) 3.33 × 10² s

24. A body is moving with a constant speed v in a circle of radius r. Its angular acceleration is [New NCERT/XI/42]

a) vr
b) v/r
c) zero
d) vr²

25. Hydraulic lifts and hydraulic brakes are based on [New NCERT/XI/185]

a) Archimedes' principle
b) Bernoulli's principle
c) Stoke's law
d) Pascal's law

26. A beaker of radius 15 cm is filled with a liquid of surface tension 0.075 N/m. Force across an imaginary diameter on the surface of the liquid is [New NCERT/XI/194]

a) 0.075 N
b) 1.5 × 10⁻² N
c) 0.225 N
d) 2.25 × 10⁻² N

27. An iron tyre is to be fitted onto a wooden wheel 1 m in diameter. The diameter of tyre is 6 mm smaller than that of wheel. The tyre should be heated so that its temperature increases by a minimum of (coefficient of cubical expansion of iron = 3.6 × 10⁻⁵ /°C) [New NCERT/XI/207]

a) 167°C
b) 334°C
c) 500°C
d) 1000°C

28. In P-V diagram shown in figure, ABC is a semicircle. The work done in the process ABC is [New NCERT/XI/230]

a) 4 J
b) −π/2 J
c) π/2 J
d) zero

29. A and B are two metals with threshold frequencies 1.8 × 10¹⁴ Hz and 2.2 × 10¹⁴ Hz. Two identical photons of energy 0.825 eV each are incident on them. Then photoelectrons are emitted in (Take h = 6.6 × 10⁻³⁴ Js) [New NCERT/XII/281]

a) B alone
b) A alone
c) neither A nor B
d) both A and B

30. In a car race on straight road, car A takes a time t less than car B at the finish and passes the finishing point with a speed 'v' more than that of car B. Both cars start from rest and travel with constant accelerations a₁ and a₂ respectively. Then 'v' is equal to: [New NCERT/XI/18]

a) (2a₁a₂)/(a₁ + a₂) t
b) √(2a₁a₂) t
c) √(a₁a₂) t
d) (a₁ + a₂)/2 t

41. Match Column I with Column II.
Column I
(A) Biot-Savart's law
(B) Torque on a current carrying coil placed in a uniform magnetic field
(C) Force between two parallel current carrying conductors
(D) Lorentz force

Column II
(4) B⃗ = (μ₀i)/4π ∫(dl sinθ)/r² n̂
[New NCERT/XII/109, 113, 123, 125, 126]

a) (A) → (4); (B) → (3); (C) → (1); (D) → (2)
b) (A) → (2); (B) → (2); (C) → (4); (D) → (3)
c) (A) → (4); (B) → (3); (C) → (2); (D) → (1)
d) (A) → (2); (B) → (1); (C) → (4); (D) → (3)

42. Two conducting circular loops of radii R₁ and R₂ are placed in the same plane with their centres coinciding. If R₁ ≫ R₂, the mutual inductance M between them will be directly proportional to [New NCERT/XII/166]

a) R₁/R₂
b) R₂/R₁
c) R₁²/R₂
d) R₂²/R₁

43. A vernier calipers has 1 mm marks on the main scale. It has 20 equal divisions on the Vernier scale which match with 16 main scale divisions. For this Vernier calipers, the least count is [XI/Practical Skills]

a) 0.02 mm
b) 0.05 mm
c) 0.1 mm
d) 0.2 mm

44. When the angle of incidence is 60° on the surface of a glass slab, it is found that the reflected ray is completely polarised. The velocity of light in glass is [New NCERT/XII/381]

a) √2 × 10⁸ m/s
b) √3 × 10⁸ m/s
c) 2 × 10⁸ m/s
d) 3 × 10⁸ m/s

45. Identify the logic operation carried out. [New NCERT/XII/493]

a) OR
b) AND
c) NOR
d) NAND

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