Biomass can be converted into fuels by____________________?
Biomass can be converted into fuels by____________________? A. direct combustion B. fermentationC. both A and B D. none of these
Biomass can be converted into fuels by____________________? A. direct combustion B. fermentationC. both A and B D. none of these
________________ cells converts solar energy into electrical energy? A. rotoryB. photovoltaic C. galvanic D. non of these
Geothermal energy is a _______________________ source of energy? A. non-renewable B. stableC. renewable D. none of the above
Propulsion force of a rocket is____________________? A. non-conservative force B. conservative force C. both A and B D. none of these
The area under the force displacement graph represents__________________? A. areaB. work done C. power D. none of these
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…
When two protons are brought together_____________________? A. Kinetic energy increasesB. P.E. between them increases C. P.E. between them decreases D. P.E. between tem does not change
The relation between the escape velocity V esc and orbital speed Vo is given by________________? A. V esc = 1/2VoB. V esc = -2 Vo C. V esc = Vo D. V esc = 2Vo
Work has the dimension as that of same as that of__________________? A. torque B. angular momentum C. linear momentum D. power
One mega watt hour is equal to_________________? A. 36 x 106 J B. 36 x 1012 J C. 36 x 109 JD. 36 x 108 J