10th Class Physics MCQS Sound Online Test 1

3-cp-3-e-computer-preserves-programmes-and-information-for-as-long-as-we-desire-in-its-3-c-2-fp-3-e_-_3-cp-3-e-memory-3-c-2-fp-3-e,3-cp-3-e-cysto-c-2-a-0-scope-is-used-to-examine-the-3-c-2-fp-3-e_-_3-cp-3-e-liver-3-c-2-fp-3-e,3-cp-3-e-electroscope-is-used-to-detect-5-c-5-c-3-a-3-c-2-fp-3-e_-_3-cp-3-e-detecting-charge-3-c-2-fp-3-e,3-cp-3-e-frequency-of-silent-whistle-lies-between-3-c-2-fp-3-e_-_3-cp-3-e-15-k-hz-to-20-k-hz-3-c-2-fp-3-e,3-cp-3-e-george-bole-invented-3-a-3-c-2-fp-3-e_-_3-cp-3-e-boolean-algebra-3-c-2-fp-3-e,3-cp-3-e-if-three-resistance-of-3-cspan-class-3-d-22-math-tex-22-3-e-5-c-5-c-286-5-c-5-c-2-c-5-c-5-c-omega-5-c-5-c-29-3-c-2-fspan-3-e-each-are-connected-in-series-combination-2-c-what-will-be-the-equivalent-resistance-then-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-2818-5-c-5-c-2-c-5-c-5-c-omega-5-c-5-c-29-3-c-2-fspan-3-e-3-c-2-fp-3-e,3-cp-3-e-if-we-cannot-change-the-value-of-capacitance-of-a-capacitor-2-c-then-it-is-called-3-c-2-fp-3-e_-_3-cp-3-e-variable-capacitors-3-c-2-fp-3-e,3-cp-3-e-if-we-increase-the-length-of-a-wire-to-four-times-of-its-original-length-2-c-what-will-be-its-resistance-now-3-a-3-c-2-fp-3-e_-_3-cp-3-e-four-time-3-c-2-fp-3-e,3-cp-3-e-in-loudspeakers-2-c-one-of-the-following-changes-into-the-sound-3-c-2-fp-3-e_-_3-cp-3-e-the-electric-signals-3-c-2-fp-3-e,3-cp-3-e-in-telescope-2-c-we-use-eyepiece-which-has-focal-length-3-c-2-fp-3-e_-_3-cp-3-e-very-small-3-c-2-fp-3-e,3-cp-3-e-regions-in-which-pressure-of-air-is-less-than-the-normal-atmospheric-pressure-is-called-3-a-3-c-2-fp-3-e_-_3-cp-3-e-rarefactions-3-c-2-fp-3-e,3-cp-3-e-the-change-of-current-in-a-coil-produces-an-induced-e-m-f-across-the-same-coil-2-c-this-phenomenon-is-called-3-c-2-fp-3-e_-_3-cp-3-e-self-induction-3-c-2-fp-3-e,the-speed-of-sound-in-air-3-a_-_1246-kmh-3-csup-3-e-1-3-c-2-fsup-3-e