PHYSICS
IMPORTANT MCQs FOR TEST PREPARATION
1. In modern-day computers, when operational, the electrical impulses
travel?
a. At the speed of sound
b. At seven times the speed of sound
c. At half the speed of sound
d. Nearly at the speed of sound
2. Which is the following is good nuclear fuel
a. Uranium-238
b. Neptunium-239
c. Thorium-236
d. Plutonium-239
3. Which of the following gives the correct descending order of elasticity in
the substance?
a. Rubber, silver, glass
b. Silver, rubber steel
c. Steel, silver, rubber
d. All have equal elasticity
4. The phenomenon of land and sea breeze is a result of?
a. Conduction
b. Convection
c. Radiation
d. None of these
5. The flow of heat from a hot to a cold body is an example of?
a. Adiabatic expansion
b. Flow at high speed
c. Isothermal expansion
d. None of the above
6. Through which of the following media does sound travel faster?
a. Cool air
b. Warm air
c. Coldwater
d. Steel
7. Which of the following instruments is used for detecting and measuring
small electric currents?
, a. Ammeter
b. Flux meter
c. Galvanometer
d. Voltmeter
8. The condenser is used?
a. To produce charge
b. To change the direction of current
c. To collect the charge
d. As a good conductor of electricity
9. Which of the following instruments may be used to measure A.C?
a. Galvanometer
b. Hot-wire ammeter
c. Moving coil galvanometer
d. None of these
10.Permanent magnets are made of?
a. Diamagnetic substance
b. Ferromagnetic substances
c. Paramagnetic substances
d. Dielectric substances
11.Erect and virtual images are always produced by?
a. Plane and convex mirror
b. Plane mirror only
c. Concave and convex mirror
d. Concave mirror only
12.The hydraulic brakes used in automobiles are a direct application of?
a. Archimedes principle
b. Torricellian law
c. Bernoulli’s theorem
d. Pascal law
13.Which of the following color of light travel through, glass with minimum
speed?
a. Red
b. Violet
c. Green
d. Yellow
14.The speed of sound is maximum through which of the following?
a. Air
IMPORTANT MCQs FOR TEST PREPARATION
1. In modern-day computers, when operational, the electrical impulses
travel?
a. At the speed of sound
b. At seven times the speed of sound
c. At half the speed of sound
d. Nearly at the speed of sound
2. Which is the following is good nuclear fuel
a. Uranium-238
b. Neptunium-239
c. Thorium-236
d. Plutonium-239
3. Which of the following gives the correct descending order of elasticity in
the substance?
a. Rubber, silver, glass
b. Silver, rubber steel
c. Steel, silver, rubber
d. All have equal elasticity
4. The phenomenon of land and sea breeze is a result of?
a. Conduction
b. Convection
c. Radiation
d. None of these
5. The flow of heat from a hot to a cold body is an example of?
a. Adiabatic expansion
b. Flow at high speed
c. Isothermal expansion
d. None of the above
6. Through which of the following media does sound travel faster?
a. Cool air
b. Warm air
c. Coldwater
d. Steel
7. Which of the following instruments is used for detecting and measuring
small electric currents?
, a. Ammeter
b. Flux meter
c. Galvanometer
d. Voltmeter
8. The condenser is used?
a. To produce charge
b. To change the direction of current
c. To collect the charge
d. As a good conductor of electricity
9. Which of the following instruments may be used to measure A.C?
a. Galvanometer
b. Hot-wire ammeter
c. Moving coil galvanometer
d. None of these
10.Permanent magnets are made of?
a. Diamagnetic substance
b. Ferromagnetic substances
c. Paramagnetic substances
d. Dielectric substances
11.Erect and virtual images are always produced by?
a. Plane and convex mirror
b. Plane mirror only
c. Concave and convex mirror
d. Concave mirror only
12.The hydraulic brakes used in automobiles are a direct application of?
a. Archimedes principle
b. Torricellian law
c. Bernoulli’s theorem
d. Pascal law
13.Which of the following color of light travel through, glass with minimum
speed?
a. Red
b. Violet
c. Green
d. Yellow
14.The speed of sound is maximum through which of the following?
a. Air