A field in which the work done in a moving a body along closed path is zero is called________________? April 17, 2025 by admin A. electric field B. conservative field C. electromagnetic field D. gravitational field
Which of the following types of force can do no work on the particle on which it acts ? April 17, 2025 by admin A. frictional force B. gravitational force C. elastic force D. centripetal force
The relation between horse power and watt is_________________? April 17, 2025 by admin A. 1 hp = 546 watts B. 1 hp = 746 watts C. 1 hp = 1000 watts D. 1 hp = 946 watts
Slope of work time graph is equal to____________________? April 17, 2025 by admin A. displacement B. acceleration C. power D. energy
Work done on the body equals to the _____________________? April 17, 2025 by admin A. change in its K.E always B. change in its P.E always C. change in its K.E and change in its P.E D. neither change in K.E and nor change in its…
The tides raise the mater in the see roughly in a day___________________? April 17, 2025 by admin A. once B. twice C. four time D. eight time
The highest value of escape velocity in solar system is planet____________________? April 17, 2025 by admin A. Earth B. Neptune C. Jupiter D. Moon
Gravitational P.E of a body has____________________? April 17, 2025 by admin A. no formula B. a formula mgh only C. a formula D. no general formula
When the speed of a moving body is doubled then___________________? April 17, 2025 by admin A. its K.E is doubled B. its acceleration is doubled C. its P.E is doubled D. its momentum is doubled
One mega watt hour is equal to_________________? April 17, 2025 by admin A. 36 x 106 J B. 36 x 1012 J C. 36 x 109 J D. 36 x 108 J
