11th Class Physics MCQS Waves Online Test 9

the-waves-which-do-not-require-any-medium-for-their-propagation-are-called-3-a_-_electromagnetic-waves,tuning-fork-is-a-source-of-3-a_-_sound,two-forks-of-frequencies-260-hz-and-257-h-are-sounded-together-2-c-the-number-of-beats-per-second-is-3-a_-_3,two-identical-waves-moving-in-same-direction-produce-3-a_-_interference,two-tuning-forks-of-frequencies-240-hz-and-243-hz-are-sounded-together-2-c-the-number-of-beats-per-second-is-3-a_-_3,two-tuning-forks-of-frequencies-260-hz-and-256-hz-are-sounded-together-2-c-the-number-of-beats-per-second-is-3-a_-_4,two-tuning-forks-of-frequencies-261-hz-and-258-hz-are-sounded-together-2-c-the-number-of-beats-per-second-are-3-a_-_3,two-waves-having-same-frequency-and-travelling-in-the-same-direction-super-impose-each-other-and-corresponding-phenomenon-is-called-3-a_-_interference,two-waves-having-same-frequency-and-travelling-in-the-same-direction-superimpose-each-other-and-corresponding-phenomenon-is-called-3-a_-_interference,two-waves-of-same-frequency-and-moving-in-the-same-direction-produces-3-a_-_stationary-waves,types-of-wave-used-in-sonar-are-3-a_-_sound-waves,velocity-of-sound-in-air-is-independent-of-3-a_-_pressure,velocity-of-sound-is-independent-of-3-a_-_pressure,wave-transport-3-a_-_energy,wavelength-of-a-wave-for-closed-pipe-having-length-22-5-c-28-l-5-c-29-22-in-the-fundamental-mode-is-3-a_-_5-c-284-5-c-2-cl-5-c-29,wavelength-of-a-wave-for-closed-pipe-having-length-27-i-27-in-the-fundamental-mode-is-3-a_-_3-cimg-src-3-d-22-2-fimages-2-fmcqs-2-f-11th-2-fphy-2-f-11th-phy-ch-08-048-02-png-22-3-e,waves-transmit-from-one-place-to-another-3-a_-_energy,what-is-the-value-of-constant-ce-b-2-in-the-expression-vt-3-d-vo-281-2-b-ce-b-2-t-29-3-a_-_3-cimg-src-3-d-22-2-fimages-2-fmcqs-2-f-11th-2-fphy-2-f-11th-phy-ch-08-014-02-png-22-3-e,when-a-transverse-wave-is-incident-on-rarer-medium-from-a-denser-medium-2-c-the-phase-change-will-be-3-a_-_5-c-28180-5-e-7-bo-7-d-5-c-29,when-an-observer-is-moving-away-from-the-source-with-velocity-u-3-csub-3-eo-3-c-2-fsub-3-e-from-the-stationary-source-then-relative-velocity-of-the-waves-and-the-observer-is-3-a_-_5-c-28-v-u-o-5-c-29,when-two-notes-of-frequencies-f-3-csub-3-e-1-3-c-2-fsub-3-e-and-f-3-csub-3-e-2-3-c-2-fsub-3-e-are-sounded-together-2-c-beats-are-formed-if-f-3-csub-3-e-1-3-c-2-fsub-3-e-26-gt-3-b-f-3-csub-3-e-2-3-c-2-fsub-3-e-what-will-be-the-beat-frequency-3-f_-_5-c-28-f-1-f-2-5-c-29