Top 1000+ Solved Physics MCQ Questions Answer
Q. Radioactive elements can be traced out in living cell through a technique called –
a. Centrifugation
b. Chromatography
c. Auto radiography
d. All the above
Q. Human beings can hear the sound range between:
a. 10 to 20 decibels
b. 100 to 150 decibels
c. 50 to 60 decibels
d. None of the above
Q. Solids which conduct electricity at higher temperature but not at lower temperature are called
a. super-conductor
b. metallic-conductor
c. semi-conductor
d. insulator
Q. In a filament type light bulb most of the electric power consumed appears as –
a. visible light
b. infra-red rays
c. ultra-violet rays
d. fluorescent light
Q. Which one of the following is not a Major Abiotic Factors?
a. Temperature
b. Water
c. Light
d. Air
Q. Optical fibre works on the principle of
a. refraction
b. scattering
c. interference
d. total internal reflection
Q. The colours of stars depend on their –
a. temperature
b. distance
c. radius
d. atmospheric pressure
Q. Which of the following colour of light deviates least through the prism?
a. yellow
b. green
c. violet
d. red
Q. Hydraulic brakes work on the principle of –
a. Thomson's law
b. Newton's law
c. Bernoulli's theorem
d. PascaQl's law
Q. The absolute zero is a temperature at which .
a. molecular motion in a gas would cease
b. water freezes
c. all gases become liquid
d. all gases become solid
Q. The term "infrasonic" applied to sound refers to sound waves below -
a. 200 Hz
b. 20000 Hz
c. 20 Hz
d. 0 Hz