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Chapter 4 - Work and Energy - 3
1.
The gravitational field is also called as ..................
a) Conservative field
b) ML T
-2
c) Watt
d) Power
2.
Dimensions of force is ..................
a) KWH
b) Power
c) ML T
-2
d) Watt
3.
F.V. = .......
a) KWH
b) Watt
c) mgh
d) Power
4.
Joule / Sec = ................... is the power needed to perform 1 Joule of work in 1 Sec.
a) mgh
b) Watt
c) KWH
d) ML
2
/ T
2
5.
The commercial unit of electrical energy is called ..................
a) KWH
b) ML
2
/ T
2
c) mgh
d) Escape Velocity
6.
The value of gravitational P.E for a particular body above the ground is equal to ...................
a) mgh
b) Earth
c) ML
2
/ T
2
d) Escape Velocity
7.
The dimension of work is ..................
a) Earth
b) Escape Velocity
c) Non-Conventional
d) ML
2
/ T
2
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