Top 1000+ Solved Physics MCQ Questions Answer
Q. Which of the following is used for regulated electric supply?
a. Zener diode
b. Junction diode
c. Gun diode
d. Tunnel diode
Q. What is found in frequency modulation?
a. Fixed frequency
b. Fixed dimension
c. Change in frequency and dimension
d. Change in dimension only
Q. When the speed of car is doubled, then what will be the braking force of the car to stop it in the same distance?
a. four times
b. two times
c. half
d. one-fourth
Q. What is the maximum value of deforming force up to which a material shows elastic property and above which the material loses it?
a. Elasticity
b. Strain
c. Elastic Limit
d. Stress
Q. The method of protecting iron from rusting, by coating a thin layer of Zinc is called -
a. Galvanizing
b. rancidity
c. Alloy
d. Pulverizing
Q. Ultra violet radiations of the Sun do not reach the earth because, earth's atmosphere is surrounded by –
a. Carbon dioxide
b. Ammonia
c. Chlorine
d. Ozone
Q. Laser is a device to produce -
a. a beam of white light
b. coherent light
c. microwaves
d. X-rays
Q. The hydraulic brakes used in automobiles is a direct application of :
a. Archimedes' principle
b. Toricellian law
c. Bernoulli's theorem
d. Pascal's law
Q. The hydraulic brake used in automobiles is a direct application of -
a. Archimedes principle
b. Torricellean law
c. Bernoulli's Theorem
d. Pascal's law
Q. Longitudinal waves and Transverse waves are types of -
a. Mechanical waves
b. Non-Mechanical waves
c. Both of above
d. None of Above
Q. Water will not be vaporized if –
a. the temperature is 0°C
b. the humidity is 0%
c. the humidity is 100%
d. the temperature is 100°C