Top 1000+ Solved Physics MCQ Questions Answer
Q. What is inertia?
a. Tendency to resist change in the current state
b. Tendency to impart acceleration to a body
c. Tendency to bring a body to rest
d. Tendency to change its current state
Q. A good conductor while carrying current is -
a. alternately charged positive and negative
b. negatively charged
c. positively charged
d. electrically neutral
Q. The propagation of sound waves in a gas involves –
a. Adiabatic compression and rarefaction
b. Isothermal compression and rarefaction
c. Isochoric compression and rarefaction
d. Isobaric compression and rarefaction
Q. Which of the following events occurred first?
a. Albert Einstein propounded the General Theory of Relativity
b. Max Planck unveiled the Quantum Theory
c. Marconi first transmitted a wireless signal
d. Madame Marie Curie became the first woman Nobel Prize winner
Q. Which of the following is not a property of heavy water?
a. Boiling point of heavy water is lower than that or ordinary water
b. Density of heavy water is higher than that of ordinary water
c. Freezing point of heavy water is higher than that of ordinary water
d. It produces corrosion
Q. A mirage occurs because of –
a. Reflection by hot ground
b. Total internal reflection by layers of air
c. Interference of light
d. Diffraction of light
Q. Knot is a measure of –
a. The speed of ship
b. The curvature of spherical objects
c. Solar radiation
d. Intensity of earthquake shock
Q. When the main switch of the house is put off it disconnects the –
a. live wire only
b. live wire and the earth wire
c. live wire and the neutral wire
d. earth wire and the neutral wire
Q. Negative feedback in amplifiers –
a. increases bandwidth and decreases noise
b. decreases bandwidth and decreases noise
c. increases bandwidth and in-creases noise
d. decreases bandwidth and increases noise
Q. What is Hooke's Law?
a. Stress is inversely proportional to strain.
b. Stress is directly proportional to strain.
c. Stress and strain are dependent on each other.
d. Stress and strain are independent of each other.
Q. Wollen clothes keep the body warm because –
a. Wool increases the temperature of the body
b. Wool is a had conductor
c. Wool absorbs radiant heat from outer objects
d. Wool rejects heat from the outer objects
Q. Flywheel is an important part of a steam engine because it -
a. gives strength to the engine
b. accelerates the speed of the engine
c. helps the engine in keeping the speed uniform
d. decreases the moment of Inertia
Q. The bats can fly in the dark because –
a. They can see the objects in darkness
b. They have weak legs and are likely to be attacked by predators
c. They generate flashes of light
d. They generate ultrasonic sound waves
Q. A microscope used in pathological laboratories forms –
a. magnified, virtual, erect, Image
b. diminished, real and erect image
c. Magnified, virtual and inverted image
d. Diminished, virtual and erect image
Q. It is dangerous to observe solar eclipse with naked eyes because –
a. Infrared radiations from sun burn our retina
b. Ultraviolet radiations from Sun burn our retina
c. All radiations from sun initiate chemical reactions in eyes
d. Cosmic rays reach eyes more during the eclipse