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

Which one is venturi relation ?

A. P1 – P2 = 1/2 ρV22

B. V2 = 2g (h1-h2)

C. P = 1 /2ρV2 = ρgh = constant

D. A1 V1 = A2 V2 = constant

Ideal fluid is_______________?

A. Non-viscous

B. Incompressible

C. Steady flow

D. Possess all properties

The effect of the decrease in pressure with the increase of the speed of the fluid in a horizontal pipe is known as______________?

A. Bernoulli effect

B. Torricelli effect

C. Venturi effect

D. Stokes effect

A chimney works best if air exposed to the chimney is______________?

A. Stationary

B. Moving

C. Moving slowly

D. Moving fast

The instrument used to measure blood pressure is called____________?

A. Venturimeter

B. Blood pressure

C. Sphygmomanometer

D. Sonometer

Systolic pressure is called_______________?

A. Low blood pressure

B. High blood pressure

C. Normal blood pressure

D. Abnormal blood pressure

One torr is equal to_________________?

A. 1.333 Nm-2

B. .1333 Nm-2

C. 13.33 Nm-2

D. 133.3 Nm2

Stokes law is applicable if body has __________shape?

A. Rough

B. Square

C. Circular

D. Spherical

In cricket when a bowler produce reverse swing the ball will move towards______________?

A. The shinning side of the ball

B. Rough side

C. The seam of the ball

D. Goes straight

Venturi meter is used to measure_________________?

A. Fluid pressure

B. Fluid density

C. Fluid speed

D. None

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