9th Class Physics MCQS Work and Energy Online Test 2

3-cp-3-e-the-25-efficiency-of-electric-fan-is-3-a-3-c-2-fp-3-e_-_3-cp-3-e-55-25-3-c-2-fp-3-e,3-cp-3-e-the-bottoms-of-cooking-pots-are-made-black-to-increase-the-of-heat-from-fire-3-c-2-fp-3-e_-_3-cp-3-e-absorb-3-c-2-fp-3-e,3-cp-3-e-the-si-unit-of-co-efficient-of-thermal-conductivity-is-3-a-3-c-2-fp-3-e_-_3-cp-3-e-3-cspan-class-3-d-22-math-tex-22-3-e-5-c-5-c-28-jmk-5-e-7-b-1-7-ds-5-e-7-b-1-7-d-5-c-5-c-29-3-c-2-fspan-3-e-3-c-2-fp-3-e,3-cp-3-e-the-speed-time-graph-of-a-car-is-shown-in-the-figure-2-c-which-of-the-following-statement-is-true-3-f-3-c-2-fp-3-e_-_3-cp-3-edistance-travelled-by-the-car-is-75-m-3-c-2-fp-3-e,3-cp-3-e-the-value-of-speed-of-light-22-c-22-is-3-a-3-c-2-fp-3-e_-_3-cp-3-e-3-cspan-class-3-d-22-math-tex-22-3-e-5-c-5-c-283-5-c-5-ctimes-10-5-e-8-ms-5-e-7-b-1-7-d-5-c-5-c-29-3-c-2-fspan-3-e-3-c-2-fp-3-e,3-cp-3-e-those-satellite-which-revolve-around-the-earth-is-called-3-a-3-c-2-fp-3-e_-_3-cp-3-e-artificial-satellite-3-c-2-fp-3-e,3-cp-3-e-to-loosen-2-c-nut-is-turned-in-which-direction-3-f-3-c-2-fp-3-e_-_3-cp-3-e-anti-clockwise-3-c-2-fp-3-e,3-cp-3-e-type-of-parallel-forces-are-3-a-3-c-2-fp-3-e_-_3-cp-3-e-2-3-c-2-fp-3-e,3-cp-3-e-unit-of-displacement-is-3-a-3-c-2-fp-3-e_-_3-cp-3-em-3-c-2-fp-3-e,3-cp-3-e-water-start-freeze-at-the-temperature-3-c-2-fp-3-e_-_3-cp-3-e-3-cspan-class-3-d-22-math-tex-22-3-e-5-c-5-c-28-273-5-c-5-c-2-c-k-5-c-5-c-29-3-c-2-fspan-3-e-3-c-2-fp-3-e,3-cp-3-e-what-is-specific-heat-of-bricks-3-f-3-c-2-fp-3-e_-_3-cp-3-e-3-cspan-class-3-d-22-math-tex-22-3-e-5-c-5-c-28800-jkg-5-e-7-b-1-7-dk-5-e-7-b-1-7-d-5-c-5-c-29-3-c-2-fspan-3-e-3-c-2-fp-3-e,3-cp-3-e-what-should-be-the-approximate-length-c-2-a-0-of-glass-tube-to-construct-a-water-barometer-3-f-3-c-2-fp-3-e_-_3-cp-3-e-11-m-3-c-2-fp-3-e,the-work-will-be-zero-when-the-angle-between-the-force-and-the-distance-is-3-a_-_90-c-2-b-0