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

Irregular flow of fluid is called_______________?

A. Streamline

B. Turbulent

C. Uniform

D. Laminar

When fluid is incompressible then________________?

A. The velocity of the fluid is constant

B. The flow of the fluid is the straight line

C. The density of the fluid is constant

D. The volume of the fluid is constant

The drag force is given by_________________?

A. Newtons law

B. Pascals law

C. Gauss law

D. Stokes law

The flow of ideal fluid is always_______________?

A. Turbulent

B. Streamline

C. Irregular

D. Straight line

Terminal velocity of the body is directly proportional to the_______________?

A. The radius of the body

B. The diameter of the body

C. Size of the body

D. Square of the diameter of the body

Terminal velocity is given by equation_______________?

A. Vt = gr2ρ

B. Vt = 2gr2/9ρ

C. Vt = gr2/9ρ

D. Vt = 9gr2/2ρ

When the body moves with terminal velocity the acceleration in the body become_____________?

A. 0

B. Maximum

C. Variable

D. Infinite

Terminal velocity is_____________?

A. Uniform

B. Maximum

C. Uniform and maximum

D. Neither uniform nor maximum

The dimensions of the coefficient of viscosity are_____________?

A. ML-1T-1

B. M2L1T1

C. ML1T-1

D. M2L-1T-1

Coefficient of viscosity of honey is greater than______________?

A. Milk

B. Water

C. Charcoal

D. Water

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