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Physics

Physics
The unit for measuring electric power is the

Steridian
Watts
Volts
Watts

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Physics
When all the forces and torques are balanced in a mechanical body it is said to be in

Equilibrium
Static
Buoyancy
None of these

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Physics
Find the power of a convex lens if the image formed is at a distance of 16 cm from the lens when the object is placed on the other side of the lens at 20 cm from the optical centre?

-11.25 diopters
-3.75 diopters
11.25 diopters
3.75 diopters

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Physics
Speed regulation of synchronous motor is

0.25
0.005
0.01
Zero

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Physics
Suppose voltage V is applied across a resistance R. The power dissipated in the resistance is P. Now the same voltage V is applied across a parallel combination of three equal resistors each of resistance R. Then the power dissipated in the second case will be

3P
P
2p/ 3
P/3

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Physics
Which measurement depends on gravitational force?

Mass
All of these
Height
Weight

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MORE MCQ ON Physics

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