Physics Mcqs

The value of γ for diatomic gas is_______________?

• (A)  1.67
• (B)  1.4
• (C)  γ = 1.3
• (D)  None

Answer

Submitted By :Ali Uppal

Rutherford in his atomic model could not explain behavior of ___________ ?

• (A)  Electrons
• (B)  Protons
• (C)  Neutrons
• (D)  Neutrino

Answer

Submitted By :Ali Uppal

Joule Thomson effect is based upon __________ ?

• (A)  Sudden compression of gases
• (B)  Sudden expansion of gases
• (C)  Cooling of gases
• (D)  Heating of gases

Answer

Submitted By :Ali Uppal

Medium which sends signal from source to destination is known as ________ ?

• (A)  Transmitter
• (B)  Transmission channel
• (C)  Receiver
• (D)  Hardware

Answer

Submitted By :Ali Uppal

Newton’s Third Law of Motion?

• (A)  every action there is an equal and opposite reaction.
• (B)  attraction or repulsion between two charges
• (C)  volume of a given mass of gas increases or decreases
• (D)  temperature remaining constant, volume of a given mass of a gas varies inversely

Answer

Submitted By :Ali Uppal

Oil rises up to wick in a lamp because_____________?

• (A)  Oil is very light
• (B)  Oil is volatile
• (C)  Diffusion of oil through the wick
• (D)  Capillary action phenomenon

Answer

Submitted By :Ali Uppal

Which one of the following is not a radioactive element ?

• (A)  Cadmium
• (B)  Thorium
• (C)  Radium
• (D)  Uranium

Answer

Submitted By :Ali Uppal

The most suitable unit for expressing nuclear radius is_______?

• (A)  Angstrom
• (B)  Micro
• (C)  Nano meter
• (D)  Fermi

Answer

Submitted By :Ali Uppal

The turning effect of force is called_________?

• (A)  Moment
• (B)  Momentum
• (C)  Torque
• (D)  None of these

Answer

Submitted By :Ali Uppal

Which of the following waves have smallest velocity in vacuum?

• (A)  Ultraviolet
• (B)  Sound
• (C)  Infra-Red
• (D)  Micro

Answer

Submitted By :Ali Uppal