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

If a body a mass of 2 kg is raised vertically through 2m, then the work done will be _________________?

A. 38.2 J

B. 392.1 J

C. 39.2 J

D. 3.92 J

When a force is parallel to the direction of motion of the body, then work done on the body is_____________________?

A. zero

B. minimum

C. infinity

D. maximum

Which experiment shows that wavelength of light is smaller than that of sound___________________?

A. Diffraction

B. Polarization

C. Interference

D. Reflection

Gives the definition of metre in terms of wavelength of red cadmium light ___________________?

A. Newton

B. Einstein

C. Michelson

D. Galileo

A thing that emits its own light is___________________?

A. luminous

B. non-luminous

C. incandescent

D. bright

According to Einstein light travels form one place to another in the form of ________________?

A. waves

B. particles

C. photons

D. it was not his discovery

Light reaches the earth form sun in nearly____________________?

A. 15 minutes

B. 10 minutes

C. 8 minutes

D. 8 minutes 30 seconds

When light incident normally on thin film the path difference depends upon ________________?

A. thickness of the film only

B. nature of the film only

C. angle of indidence only

D. all thickness nature and angle of incidence

Crystals of a material can behave as_________________?

A. Convex lens

B. Interferometer

C. Diffraction grating

D. Concave

In the shadow of a ball the central portion appears bright that happens due to_________________?

A. Interference

B. Diffraction

C. Polarization

D. Refraction

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