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Physics Class 11 - Chapter 6
Fluid DynamicsTest - 4
1.
Red cells in blood is about?
a) 0%
b) 30%
c) 40%
d) 50%
2.
Speed of efflux is obtained by applying?
a) None of these
b) Venturi theorum
c) Torricelli’s theorem
d) Bernoulli’s theorem
3.
Two fog drops have radius 2?3 their terminal velocities are?
a) 4?6
b) 4?1
c) 2?9
d) 4?9
4.
Systolic pressure is known as?
a) Constant blood pressure
b) Abnormal blood pressure
c) low blood pressure
d) High blood pressure
5.
Venturimeter is used to measure?
a) Fluid speed
b) Fluid density
c) All of these
d) Fluid pressure
6.
Stokes law is applicable if body is of the shape?
a) Rough
b) Circular
c) Square
d) Spherical
7.
In cricket when a bowler produce reverse swing, the ball will move towards?
a) Shining side if the ball
b) Seam of the ball
c) Rough side
d) Goes straight
8.
A man standing near a fast moving train may fall?
a) On himself
b) On the train
c) Away the train
d) Towards the train
9.
For which position maximum blood pressure in the body have the smallest value?
a) Lying horizontally
b) tanding linearly
c) Sitting on chair
d) Sitting on floor
10.
Blood vessels are?
a) Of rubber
b) Rigid form
c) Not rigid
d) Of glass
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