11th Class Physics MCQS Waves Online Test 2

3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-12-0-pt-22-3-e-the-acceleration-of-a-body-undergoing-uniform-circular-motion-is-constant-in-3-a-3-c-2-fspan-3-e-3-c-2-fp-3-e_-_3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-12-0-pt-22-3-e-3-cspan-style-3-d-22-color-3-ablack-22-3-e-magnitude-only-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fp-3-e,3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-12-0-pt-22-3-e-the-phenomenon-of-interference-comes-about-because-waves-obey-3-a-3-c-2-fspan-3-e-3-c-2-fp-3-e_-_3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-12-0-pt-22-3-e-principle-of-superposition-3-c-2-fspan-3-e-3-c-2-fp-3-e,3-cp-3-e-36-3-csup-3-eo-3-c-2-fsup-3-e-is-equal-to-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-cfrac-7-b-5-c-5-cpi-7-d-7-b-5-7-d-5-c-5-c-29-3-c-2-fspan-3-e-3-c-2-fp-3-e,3-cp-3-e-for-a-rocket-2-c-the-change-in-momentum-per-second-of-the-ejecting-gases-is-equal-3-a-3-c-2-fp-3-e_-_3-cp-3-e-thrust-acting-on-rocket-3-c-2-fp-3-e,3-cp-3-e-original-sources-of-energy-for-biomass-is-3-a-3-c-2-fp-3-e_-_3-cp-3-e-sun-3-c-2-fp-3-e,3-cp-3-e-the-linear-velocity-of-a-disc-when-it-reaches-the-bottom-of-an-inclined-plane-of-height-22-h-22-c-2-a-0-is-5-c-5-c-3-a-3-c-2-fp-3-e_-_3-cp-3-e-3-cspan-class-3-d-27-5-c-5-c-22-math-tex-5-c-5-c-22-27-3-e-5-c-5-c-5-c-5-c-28-5-c-5-c-5-c-5-csqrt-7-bgh-7-d-5-c-5-c-5-c-5-c-29-3-c-2-fspan-3-e-3-c-2-fp-3-e,3-cp-3-e-the-work-done-is-said-to-be-negative-when-force-and-displacement-are-3-a-3-c-2-fp-3-e_-_3-cp-3-eanti-parallel-3-c-2-fp-3-e,3-cp-3-ea-body-will-be-in-translational-equilibrium-2-c-if-3-a-3-c-2-fp-3-e_-_3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-11-0-pt-22-3-e-3-cspan-style-3-d-27-font-family-3-a-22-calibri-22-2-c-22-sans-serif-22-27-3-e-e-2-88-91-3-cem-3-e-3-cu-3-ef-3-c-2-fu-3-e-3-c-2-fem-3-e-3-d-0-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fp-3-e,3-cp-3-ea-system-on-which-no-external-agency-exerts-any-force-is-called-3-a-3-c-2-fp-3-e_-_3-cp-3-eisolated-system-3-c-2-fp-3-e,3-cp-style-3-d-22-text-align-3-ajustify-22-3-e-3-cspan-style-3-d-22-font-size-3-a-11-0-pt-22-3-e-3-cspan-style-3-d-27-font-family-3-a-22-arial-22-2-c-22-sans-serif-22-27-3-e-einstein-e-2-80-99-s-theory-of-relativity-inferred-about-the-gravitational-and-inertial-acceleration-3-a-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fp-3-e_-_3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-11-0-pt-22-3-e-3-cspan-style-3-d-27-font-family-3-a-22-arial-22-2-c-22-sans-serif-22-27-3-eare-precisely-equivalent-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fp-3-e,3-cp-style-3-d-22-text-align-3-ajustify-22-3-e-3-cspan-style-3-d-22-font-size-3-a-11-0-pt-22-3-e-3-cspan-style-3-d-27-font-family-3-a-22-arial-22-2-c-22-sans-serif-22-27-3-e-if-a-wave-travelling-indenser-medium-is-reflected-from-the-boundary-of-rarer-medium-2-c-the-phase-change-in-the-wave-is-3-a-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fp-3-e_-_3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-11-0-pt-22-3-e-3-cspan-style-3-d-27-font-family-3-a-22-arial-22-2-c-22-sans-serif-22-27-3-e-180-3-csup-3-eo-3-c-2-fsup-3-e-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fp-3-e,3-cp-style-3-d-22-text-align-3-ajustify-22-3-e-3-cspan-style-3-d-22-font-size-3-a-11-0-pt-22-3-e-3-cspan-style-3-d-27-font-family-3-a-22-arial-22-2-c-22-sans-serif-22-27-3-e-which-other-quantity-has-the-same-unit-as-spring-constant-has-nm-3-csup-3-e-1-3-c-2-fsup-3-e-3-f-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fp-3-e_-_3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-11-0-pt-22-3-e-3-cspan-style-3-d-27-font-family-3-a-22-arial-22-2-c-22-sans-serif-22-27-3-e-surface-tension-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fp-3-e,a-bat-finding-its-correct-location-by-sending-3-a_-_electromagnetic-waves,a-pulse-on-the-straight-is-inverted-when-it-is-reflected-from-3-a_-_fixed-end,a-set-of-frequencies-which-are-multiples-of-the-fundamental-frequency-are-called-3-a_-_harmonics,a-spring-of-length-26-nbsp-3-b-5-c-28-l-5-c-29-fixed-at-both-ends-is-vibrating-in-two-segments-2-c-the-wavelength-of-wave-is-3-a_-_5-c-28-l-5-c-29,a-stretched-string-2-m-long-and-it-has-2-loops-of-stationary-waves-2-c-then-the-wavelength-is-3-a_-_2-m,a-stretched-string-4-m-long-and-it-has-4-loops-of-stationary-waves-2-c-then-the-wavelength-is-3-a_-_2-m,according-to-laplace-27-s-correction-2-c-the-formula-for-the-speed-of-sound-in-air-is-3-a_-_3-cimg-src-3-d-22-2-fimages-2-fmcqs-2-f-11th-2-fphy-2-f-11th-phy-ch-08-015-02-png-22-3-e,according-to-newton-2-c-sound-travels-in-air-under-conditions-of-3-a_-_isothermal,when-sound-waves-enter-in-different-medium-2-c-the-quantity-that-remains-unchanged-is-3-a_-_frequency,with-increase-of-temperature-2-c-speed-of-sound-3-a_-_increases