Purpose of This Post

This blog provides 50 carefully selected NEET Physics multiple-choice questions with detailed solutions to help students strengthen conceptual understanding and improve exam performance.

The goal of this post is to:

• ✔ Improve problem-solving speed
• ✔ Strengthen NEET Physics fundamentals
• ✔ Help students practice exam-level MCQs
• ✔ Provide step-by-step explanations for clarity
• ✔ Offer free revision material for NEET 2026

✅ PHYSICS – 50 MCQs WITH SOLUTIONS

1. Momentum of photon of energy E is

A) E/c
B) Ec
C) E/c²
D) √(Ec)

Answer: A

Solution:
Photon momentum:$$p = \frac{E}{c}$$

2. Dimensional formula of Force is

A) ML⁻¹T⁻²
B) MLT⁻²
C) ML²T⁻²
D) MLT²

Answer: B

Solution:$$F = ma$$

Mass = M
Acceleration = LT⁻²
So, F = MLT⁻²

3. Escape velocity depends on

A) Mass of projectile
B) Mass of planet
C) Shape of projectile
D) Velocity of rotation

Answer: B$$v_e = \sqrt{\frac{2GM}{R}}$$

Independent of projectile mass.

4. Unit of electric field

A) N/C
B) J/C
C) Volt
D) Watt

Answer: A$$E = \frac{F}{q}$$

5. If radius becomes double, gravitational force becomes

A) Same
B) 1/2
C) 1/4
D) 4 times

Answer: C$$F \propto \frac{1}{r^2}$$

6. RMS velocity ∝

A) T
B) √T
C) 1/T
D) T²

Answer: B$$v_{rms} = \sqrt{\frac{3RT}{M}}$$

7. Time period of simple pendulum depends on

A) Mass
B) Length
C) Amplitude
D) Shape

Answer: B$$T = 2\pi \sqrt{\frac{l}{g}}$$

8. Transformer works on principle of

A) Self induction
B) Mutual induction
C) Capacitance
D) Resistance

Answer: B

9. Work done in isothermal process is

A) Zero
B) PΔV
C) nRT ln(V₂/V₁)
D) mgh

Answer: C

10. Photoelectric effect proves nature of light is

A) Wave
B) Particle
C) Sound
D) Mechanical

Answer: B

11. In SHM, acceleration is maximum at

A) Mean position
B) Extreme position
C) Everywhere same
D) Zero

Answer: B

12. Magnetic field inside solenoid

A) Zero
B) Uniform
C) Circular
D) Random

Answer: B$$B = \mu_0 n I$$

13. Electric flux depends on

A) Area
B) Charge enclosed
C) Shape
D) Distance

Answer: B

(Gauss Law)

14. Kinetic energy of rotating body

$$\frac{1}{2}I\omega^2$$

Correct option accordingly.

15. Hooke’s Law valid till

A) Elastic limit
B) Breaking point
C) Yield point
D) Plastic limit

Answer: A

16. Carnot engine efficiency

$$\eta = 1 – \frac{T_2}{T_1}$$

17. If frequency doubles, energy becomes

A) Same
B) Double
C) Half
D) Zero

Answer: B$$E = h\nu$$

18. Capacitor stores energy

$$U = \frac{1}{2}CV^2$$

19. Centripetal force

$$F = \frac{mv^2}{r}$$

20. Resistance in parallel

$$\frac{1}{R} = \frac{1}{R_1}+\frac{1}{R_2}$$

21. In interference, fringe width

$$\beta = \frac{\lambda D}{d}$$

22. Doppler effect depends on

Relative motion.

23. If temperature increases, resistance

A) Increases (metals)

24. Power

$$P = VI$$

25. Moment of inertia of ring

$$I = MR^2$$

26. Potential energy in SHM

$$U = \frac{1}{2}kx^2$$

27. For projectile motion, time of flight

$$T = \frac{2u\sin\theta}{g}$$

28. Work-energy theorem

$$W = \Delta KE$$

29. Terminal velocity depends on

Viscosity & radius.

30. Law of conservation of momentum valid in

Isolated system.

31. Unit of magnetic flux

Weber.

32. Young’s modulus

$$Y = \frac{\text{Stress}}{\text{Strain}}$$

33. Frequency of AC in India

50 Hz.

34. Nuclear radius

$$R = R_0 A^{1/3}$$

35. Binding energy

Mass defect concept.

36. De Broglie wavelength

$$\lambda = \frac{h}{mv}$$

37. In photoelectric effect, stopping potential

Independent of intensity.

38. Lenz’s law

Opposes change.

39. Electric potential

Work per unit charge.

40. Heat capacity

$$C = \frac{Q}{\Delta T}$$

41. Boyle’s Law

$$PV = constant$$

42. Ohm’s Law

$V = IR$V=IR

$I =$I=

$R =$R=

$V = IR = 12$V=IR=12

43. Snell’s law

$$n = \frac{\sin i}{\sin r}$$

44. Angular momentum

$$L = I\omega$$

45. Coulomb’s law

$F = k \frac{q_1 q_2}{r^2}$F=kr2q1​q2​​

$q_1 =$q1​=

$q_2 =$q2​=

$r =$r=

$F = k\frac{q_1 q_2}{r^2} \approx -5.06$F=kr2q1​q2​​≈−5.06+-

46. Escape velocity of Earth ≈

11.2 km/s.

47. Velocity at highest point (projectile)

Horizontal component only.

48. Frequency remains same in

Refraction.

49. Induced emf

$$\varepsilon = -\frac{d\Phi}{dt}$$

50. RMS value of AC

$$V_{rms} = \frac{V_0}{\sqrt{2}}$$Vrms​=2​V0​​