1 |
In S.H.M, the acceleration of the body is directly proportional to |
Weight of body
Applied force
Amplitude
Displacement
|
2 |
The acceleration produced by elastic restoring force is |
Perpendicular to force
Opposite to force
In same direction as force
Zero
|
3 |
The produce oscillation, body is pulled away from its |
Mean position
Extreme position
Both a and b
None of these
|
4 |
The motion of a simple pendulum is the example of |
Vibratory motion
Rotatory motion
Periodic motion
Both a and c
|
5 |
The to and fro motion of a body is called |
Linear motion
Rotational motion
Vibratory motion
None of these
|
6 |
Air blows from |
High pressure to low pressure
Low pressure to high pressure
Low temperature to high temperature
High temperature to low temperature
|
7 |
Torricelli's theorem is given by |
|
8 |
A1b1= A2b2represents |
Stock's law
Newton's law
Equation of continuity
Brenoulli's equation
|
9 |
The SI unit of flow rate are |
m-sec<sup>-2</sup>
m<sup>3</sup>-sec<sup>-1</sup>
m<sup>3</sup>-sec<sup>-2</sup>
m-sec<sup>-3</sup>
|
10 |
The product of cross sectional area of a pipe and speed of fluid along the pipe is |
Zero
Maximum
Constant
Variable
|
11 |
The regular or steady flow of fluid is called |
Stream line
Turbulent flow
Average flow
None of these
|
12 |
The unsteady flow of a fluid is called |
Stream line
Turbulent flow
Average flow
Viscous flow
|
13 |
The flow of a fluid is of |
One type
Two types
Three types
Four type
|
14 |
The terminal velocity can be obtained by using |
Newton's law
Stock's law
Guass's law
None of these
|
15 |
The drag force increases as the speed of object |
Become zero
Decreases
Increases
Remains constant
|
16 |
This is used for |
Co-efficient of friction
Co-efficient of expansion
Co-efficient of viscosity
Co-efficient of contraction
|
17 |
Viscosity is represented by Greek letter |
|