Physics MCQs: Most Important Questions for Exams

McqsTestz.com has uploaded a comprehensive collection of Physics MCQs covering a wide range of topics including mechanics, thermodynamics, electromagnetism, optics, modern physics, waves, fluids, and more. Perfect for students preparing for exams such as matriculation, intermediate, competitive tests, Lecturer and university-level assessments.

Physics MCQs

To measure the speed of an approaching car a police officer shines?

A. light waves on it

B. microwaves on it

C. radio waves on it

D. ultra high frequency waves on it

A photostat machine works on _____________?

A. electromagnetic image making

B. magnetic image making

C. thermal image making

D. electrostatic image making

The owl can see most clearly in total darkness because:

A. it has squint eyes

B. it has light bulbs in its eyes provided by nature

C. it produces infrasonic sounds

D. it has large eyes with orbs directed forward, giving it binocular sight

The audio signals of TV are _____________?

A. Amplitude modulated

B. Frequency modulated

C. fixe modulated

D. Velocity modulated

Which of the following statements is true when we see ‘rainbow’ ?

A. We face sun and raindrops

B. The Sun remains behind us and we face raindrops

C. In light rainfall, we face Sun

D. The sky remains clear and the sun is at lower position in the sky

Rain drops fall from great height Which among the following statements is true regarding it?

A. they fall with that ultimate velocity, which are different for different droplets

B. they fall with same ultimate velocity

C. their velocity increases and they fall with different velocity on the earth

D. their velocity increases and they fall with same velocity on the earth

Why the needle of iron swims on water surface when it is kept gently ?

A. It will remain under the water, when it will displace more water than its weight

B. the density of needle is less than that of water

C. due to surface tension

D. due to its shape

Which of the following are not deflected by electric and magnetic fields ?

A. Alpha rays

B. Beta rays

C. Gamma rays

D. None of these

The value of acceleration due to gravity is minimum on which of these planets?

A. Mars

B. Jupiter

C. Mercury

D. Neptune

The value of R ( Universal Gas Constant ) = ___________?

A. 8.314 J/mole K

B. 6.5 J/mole K

C. 1.314 J/mole K

D. 10.314 J/mole K

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