11th Class Physics MCQS Work and Energy Online Test 3

a-layer-of-rock-holding-water-that-allows-water-to-percolate-through-it-with-pressure-is-called-3-a_-_aquifer,a-stone-of-mass-26-nbsp-3-b-2-kg-is-dropped-from-the-top-of-a-tower-of-height-40-m-what-will-be-its-k-e-2-c-at-10-m-below-the-top-3-f_-_196-j,all-the-food-we-eat-in-one-day-has-about-the-same-energy-as-3-a_-_1-2-f-3-liter-of-petrol,an-example-of-non-conservative-force-is-3-a_-_frictional-force,area-under-force-displacement-graph-gives-3-a_-_work-done,bio-fuel-such-as-ethanol-is-replacement-of-3-a_-_gasoline,biomass-is-a-potential-source-of-3-a_-_renewable-energy,biomass-is-converted-into-fuel-by-3-a_-_fermentation,choice-of-zero-potential-energy-level-is-3-a_-_surface-of-the-earth,consumption-of-energy-by-a-60-watt-electric-bulb-in-2-seconds-is-3-a_-_120-j,energy-dissipated-usually-appears-as-3-a_-_heat-energy,energy-stored-in-spring-is-3-a_-_elastic-p-e,energy-stored-in-the-spring-of-watch-is-called-3-a_-_elastic-potential-energy,escape-velocity-on-the-surface-of-earth-is-11-2-kms-3-csup-3-e-1-3-c-2-fsup-3-e-the-escape-velocity-on-the-surface-of-another-planet-of-same-mass-as-that-of-earth-but-of-26-nbsp-3-b-5-c-28-0-crac-7-b-1-7-d-7-b-4-7-d-5-c-29-times-of-the-radius-of-the-earth-is-3-a_-_5-6-kms-3-csup-3-e-1-3-c-2-fsup-3-e,hot-igneous-rocks-2-c-usually-in-molten-or-partly-molten-state-are-found-in-the-depth-of-3-a_-_10-km,if-50-kg-crate-is-pushed-through-2-m-across-the-floor-with-a-force-of-50-n-2-c-the-work-done-will-be-3-a_-_100-j,if-a-body-of-mass-5-kg-is-raised-vertically-through-a-distance-of-1-m-2-c-then-work-done-is-3-a_-_49-j,if-a-force-of-one-newton-acts-on-a-body-and-displaces-it-through-a-distance-of-one-meter-in-the-direction-of-force-2-c-then-the-work-done-will-be-one_-_joule,if-an-agent-consumes-a-power-of-1-kilo-watt-for-one-hour-2-c-the-work-done-is-3-a_-_one-kilo-watt-hour,if-force-and-displacement-are-in-the-opposite-direction-2-c-the-work-done-is-taken-as_-_negative-work,which-of-the-following-pairs-does-not-have-identical-dimensions-3-a_-_mass-and-momentum-of-inertia,work-has-dimension-like-3-a_-_torque