WorksheetsProperties Of Bulk Matter, Work , Energy ,Power
Total questions: 20
Worksheet time: 8mins
Work is
Vector Quantity
Neither Scalar Nor Vector
Scalar Quantity
Not classified yet
Work is negative when angle between force and displacement is
Less than 90°
More than 90°
Exactly 90°
Exactly 360°
For inelastic collision coefficient of restitution is
1
0
Between 0 and 1
Between 0 and 10
If velocity of moving body is made 2✓3 of its initial value, then Kinetic Energy will become
4 times
40 times
72 times
12 times
In case of Perfectly Inelastic Collision between two bodies, bodies after Collision
Remain moving with same velocities
Remain separated by comparable distance
Remain moving with different velocities
Sttick to each other and start moving with a common velocity
Rotational analogue of mass
Force
Moment of inertia
Torque
Radius Of Gyration
Rotional analogue of Linear Momentum
Torque
Angular velocity
Centre Of gravity
Angular Momentum
Young Modulus is ratio of
Normal Stress/Shear Strain
Normal Stress/Lateral Strain
Tangential Stress/Longitudinal Strain
Normal Stress/ Longitudinal Strain
Out of Rubber and Steel ,Which one is less elastic, if wires of them are of equal length, equal area and subbected to equal deforming force
Both
Steel
Rubber
Sometimes Rubber and sometimes steel
S.I unit of coefficient of viscosity is
Poise
Decapoise
Horse Power
Dyne / Newton
According To Equation of Continuity,area and velocity are
Inversely Proportional
Directly Proportional
There is no relationship between them
Depends directly on system of units taken
According to Bernoulli' s Theorem, pressure and velocity are
Indirectly Propotional
Directly Proportional
There is no relationship between them
Can not say anything about their relationship
If a cricket bowler releases the ball from his hand by giving intialally spin from right to left then
Ball will dip
Nothing will happen to ball ' s usual path
Ball will float
Ball will keep on bouncing
Who determined value of Gravitational Constant( G)
Pascal
Newton
Henry Cavendish
If polar ice caps melt due to global warming then duration of day will
Increase
Decrease
Remain unchanged
First increase and then start decreasing
Height Geostationary Satellites is
Less than 3600 Km
Greater than 3600000Km
About 36000Km
May not more than 1000 Km
Angular velocity of planets at Perihelion ( closest distance ) from Sun
Increases
Decreases
Remains unchanged
Not exactly known
Escape velocity of Earth is
111.2Km/s
2.2 Km/s
11.2Km/s
650 Km/s
Reynolds Number for Turbulent Flow is
Less than 2000
Greater than 1
More than 3000
Between 2000 to 3000
Difference between Equatorial Radius and Polar Radius Of Earh is
200 Km
20000km
21 Km
12 Km
