Top 1000+ Solved Physics MCQ Questions Answer
Q. The final image in a simple microscope is –
a. real, diminished and inverted
b. real, magnified and erect
c. virtual, magnified and erect
d. virtual, diminished and erect
Q. A radioactive substance emits?
a. alpha particle
b. beta particle
c. gamma particle
d. all of the three
Q. A single fixed pulley is used to draw water from a well because –
a. efficiency is 100%
b. velocity ratio is low
c. mechanical advantage is high
d. force is applied in a convenient direction
Q. Hyperrnetropia or longsight can be corrected by using :
a. Bifocal lenses
b. Cylindrical lenses
c. Concave lenses
d. Convex lenses
Q. Stars appear twinkling because of ______ of light.
a. Reflection
b. Scattering
c. Emission
d. Absorption
Q. In mirrors the back surface is coated with a thin layer of
a. Mercury
b. Silver
c. Red oxide
d. Silver nitrate
Q. A bomb at rest explodes into a large number of tiny fragments. The total momentum of all the fragments –
a. is zero
b. depends on the total mass of all the fragments
c. depends on the speeds of various fragments
d. is infinity
Q. Sound energy passing per second through a unit area held perpendicular is called -
a. Intensity
b. Frequency
c. Amplitude
d. Quality
Q. Which one of the following is used to remove Astigmatism for a human eye?
a. Concave lens
b. Convex lens
c. Cylindrical lens
d. Prismatic lens
Q. Speed of sound in air is unaffected bychange in :
a. Pressure
b. Humidity
c. Temperature
d. Volume
Q. The audio signals of TV are :
a. Amplitude modulated
b. Frequency modulated
c. Unmodulated
d. Velocity modulated
Q. Which of the following parts of the sunlight makes the solar cooker hot?
a. Ultra violet
b. Red light
c. Infra red
d. Cosmic rays
Q. What principle/law explains the working of the hydraulic brakes in automobiles?
a. Bernoulli's law
b. Posieulli's principle
c. Pascal's law
d. Archimedes' principle