9th Class Physics MCQS Dynamics Online Test 2

3-cp-3-e-standard-form-of-6400-km-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-286-4-c-3-97-10-5-e-7-b-3-7-d-km-5-c-5-c-29-3-c-2-fspan-3-e-3-c-2-fp-3-e,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-center-of-gravity-of-uniform-rod-is-3-a-3-c-2-fp-3-e_-_3-cp-3-e-point-of-equilibrium-3-c-2-fp-3-e,3-cp-3-e-the-effect-of-force-will-be-zero-if-it-is-applied-at-3-a-3-c-2-fp-3-e_-_3-cp-3-e-point-of-rotation-3-c-2-fp-3-e,3-cp-3-e-the-energy-in-the-stretched-bow-is-3-a-3-c-2-fp-3-e_-_3-cp-3-e-elastic-potential-enery-3-c-2-fp-3-e,3-cp-3-e-the-mass-of-a-body-at-surface-of-earth-is-16-kg-its-weight-will-be-3-a-3-c-2-fp-3-e_-_3-cp-3-e-160-n-3-c-2-fp-3-e,3-cp-3-e-the-number-of-significant-figures-in-0-00580-km-is-3-a-3-c-2-fp-3-e_-_3-cp-3-e-3-3-c-2-fp-3-e,3-cp-3-e-the-upthrust-of-liquid-is-given-by-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-28-5-c-5-crho-gh-5-c-5-c-29-3-c-2-fspan-3-e-3-c-2-fp-3-e,3-cp-3-e-the-weight-of-metal-spoon-in-air-is-0-48-n-where-weight-in-water-is-0-42-n-2-c-then-its-density-will-be-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-288000-kg-2-fm-5-e-3-5-c-5-c-29-3-c-2-fspan-3-e-3-c-2-fp-3-e,3-cp-3-e-the-word-science-is-derived-from-the-latin-word-3-a-3-c-2-fp-3-e_-_3-cp-3-e-scienctia-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-rate-of-thermal-energy-is-3-a-3-c-2-fp-3-e_-_3-cp-3-e-joule-per-second-3-c-2-fp-3-e