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Calculate of air.no gas to propagate sound.STUDY1. Whin2. (a3(a) very loud(c) weak soundto produce pure sound is :(a) whistle(b) drum(c) tuning fork(d) guitartravels:(a) much slower than sound(b) much faster than soundROW the distance between the soutof sound and observer and the tempera5. We cannot hear on moon, because theTick (~) the most appropriate answer :1. An electric bell is suspended in a belljar andthen air is removed from it. On switchingsthe electric bell, the sound heard is:(b) normal sound(d) no sound is heard3. The crack of a thunder cloud is heard laterthan the flash of lightning because, the light2. The convenient instrument used in laboratory |
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Answer» ऑरृटलटढरृठधॅजथठणधॅछवxjtudrstisitdpufyelutoyu5widyiryor |
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