# 11th Class Physics MCQS Chapter 4

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The work done in gravitational field
Zero
Does not depend upon the path
Depend upon the path
(+)ve

The unit of energy is same as that of
Work
Torque
Power
Density

The ability of a body to do work is called its
Energy
Force
Capacity
Power

By increasing the amount of stretch in spring the force exerted will
One watt
One joule
One erg
Increase

The dimensions of work are
ML-1T-1
ML2T-2
MLT-2
MLT-1

Salter’s duck was invented by
Maxwell
Newton
Prof Salter
Einstein

When distance is plotted against the force, it is taken along
x-axis
z-axis
None of these
y-axis

The frictional force is
Electric force
Non conservative force
Conservative force
Magnetic force

1 KWh =
3.6 x 103K
3.6 x 109J
3.6 x 1012J
3.6 x 106K

The formula for the power is
P=W/v
P=Wt
P=W/t
P= W/d

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