Physics Mcqs

Bernoulli’s equation is obtained by applying the law of conservation of ________________?

• (A)  Mass
• (B)  Energy
• (C)  Momentum
• (D)  Fluid

Answer

Submitted By :Ali Uppal

Two fog droplets have radius 2:3 their terminal velocities are_______________?

• (A)  4:06
• (B)  4:09
• (C)  2:09
• (D)  4.3

Answer

Submitted By :Ali Uppal

For which position maximum blood pressure in the body have the smallest value ?

• (A)  Standing straight
• (B)  Sitting on chair
• (C)  Sitting on ground
• (D)  Laying horizontally

Answer

Submitted By :Ali Uppal

A man standing near a fast moving train may fall___________?

• (A)  On the train
• (B)  Away from the train
• (C)  Towards the train
• (D)  On himself

Answer

Submitted By :Ali Uppal

Concentration of red cells in blood is about______________?

• (A)  25%
• (B)  40%
• (C)  50%
• (D)  75%

Answer

Submitted By :Ali Uppal

Blood vessels are______________?

• (A)  Rigid
• (B)  Not rigid
• (C)  Of glass
• (D)  Of rubber

Answer

Submitted By :Ali Uppal

Speed of efflux can be determined by applying______________?

• (A)  Bernoulli’s theorem
• (B)  Torricelli’s theorem
• (C)  Venture relation
• (D)  All

Answer

Submitted By :Ali Uppal

Velocity of fluid increases where the pressure is________________?

• (A)  Low
• (B)  High
• (C)  Constant
• (D)  Changes continuously

Answer

Submitted By :Ali Uppal

The equation of continuity is obtained by applying in the law of conservation of_____________?

• (A)  Mass
• (B)  Energy
• (C)  Momentum
• (D)  All

Answer

Submitted By :Ali Uppal

Laminar flow usually occurs at speeds_____________?

• (A)  Low
• (B)  High
• (C)  Very high
• (D)  Some time high and some time low

Answer

Submitted By :Ali Uppal