Q. The dimensional formula of force is:

• (A) [MLT^-1]
• (B) [ML^2T^-2]
• (C) [MLT^-2]
• (D) [M^0LT^-2]

Q. A body is moving with uniform velocity. Which of the following is true?

• (A) Acceleration is constant but non-zero
• (B) Acceleration is zero
• (C) Velocity is zero
• (D) Force is maximum

Q. The SI unit of electric charge is:

• (A) Ampere
• (B) Volt
• (C) Coulomb
• (D) Ohm

Q. Which of the following quantities is a scalar?

• (A) Velocity
• (B) Force
• (C) Momentum
• (D) Work

Q. The escape velocity from the surface of Earth is approximately:

• (A) 7.9 km/s
• (B) 11.2 km/s
• (C) 9.8 km/s
• (D) 3.0 × 10^8 m/s

Q. The energy stored in a capacitor is:

• (A) CV^2
• (B) (1/2)CV^2
• (C) QV
• (D) Q^2/C

Q. The unit of magnetic flux is:

• (A) Tesla
• (B) Weber
• (C) Henry
• (D) Gauss

Q. Which color of visible light has the shortest wavelength?

• (A) Red
• (B) Green
• (C) Blue
• (D) Violet

Q. The photoelectric effect supports the:

• (A) Wave nature of light only
• (B) Particle nature of light
• (C) Gravitational nature of light
• (D) Magnetic nature of light

Q. A convex lens always forms a virtual image when the object is placed:

• (A) At infinity
• (B) Beyond 2F
• (C) Between F and 2F
• (D) Between optical center and focus