Work has the dimension as that of same as that of__________________?
A. torque B. angular momentum C. linear momentum D. power
Physics MCQs with Answers
The relation between the escape velocity V esc and orbital speed Vo is given by________________?
A. V esc = 1/2Vo B. V esc = -2 Vo C. V esc = Vo D. V esc = 2Vo
When two protons are brought together_____________________?
A. Kinetic energy increases B. P.E. between them increases C. P.E. between them decreases D. P.E. between tem does not change
A man lifts vertically a weight of 40kg through 1m in 10s; while a chile lifts vertically a weight of 10kg through a distance of 1m in 1s. What will be correct inference ?
A. man does more work than child B. child does more work than man C. both do the same amount of work D. it is a foolish question
The area under the force displacement graph represents__________________?
A. area B. work done C. power D. none of these
Propulsion force of a rocket is____________________?
A. non-conservative force B. conservative force C. both A and B D. none of these
Geothermal energy is a _______________________ source of energy?
A. non-renewable B. stable C. renewable D. none of the above
________________ cells converts solar energy into electrical energy?
A. rotory B. photovoltaic C. galvanic D. non of these
Biomass can be converted into fuels by____________________?
A. direct combustion B. fermentation C. both A and B D. none of these
Which of the following substances posses the highest elasticity ?
A. Rubber B. Steel C. Glass D. Copper