Top 1000+ Solved Physics MCQ Questions Answer
Q. Which of the following devices can be used to detect radiant heat?
a. Liquid thermometer
b. Six's maximum and minimum thermometer
c. Constant volume air thermometer
d. Thermopile
Q. In which one of the following the phenomenon of total internal reflection of light is used?
a. Formation of mirage
b. Working of binoculars
c. Formation of rainbow
d. Twinkling of stars
Q. When two ice cubes are pressed together, they join to form one cube. Which one of the following helps to hold them together?
a. Hydrogen bond formation
b. Vander waals forces
c. Covalent attraction
d. Dipole interaction
Q. The force which opposes the relative motion between different layers of liquid or gases is called –
a. Critical Velocity
b. Streamline Flow
c. Terminal Velocity
d. Viscous Force
Q. Who among the following developed the technology of under-ground nuclear explosion?
a. Dr. Homi J. Bhabha
b. Dr. Vikram Sarabhai
c. Dr. Raja Ramanna
d. Dr. P. K. Iyengar
Q. Sensitivity of the human eye ismaximum in the –
a. Violet region
b. Green region
c. Blue region
d. Red region
Q. The speed of light with the rise in the temperature of the medium :
a. Increases
b. Decreases
c. Remains unaltered
d. Drops suddenly
Q. A rocket works on the principle of conservation of ______.
a. mass
b. linear momentum
c. energy
d. angular momentum
Q. The swing of a spinning cricket ball in air can be explained on the basis of –
a. Sudden change in wind direction.
b. Buoyancy of air.
c. Turbulence caused by wind.
d. Bernoulli's theorem.
Q. The rice is cooked more quickly in a pressure cooker because –
a. it is covered.
b. less quantity of water is used.
c. None of these
d. water boils at a higher temperature under pressure.
Q. Photophobia is -
a. a disease caused by too much sunlight
b. abnormal intolerance of light
c. the adjustment of the eye for light
d. the ability to perceive light