Question

calculate
of air.
no gas to propagate sound.
STUDY
1. Wh
in
2. (a
3
(a) very loud
(c) weak sound
to produce pure sound is :
(a) whistle
(b) drum
(c) tuning fork
(d) guitar
travels:
(a) much slower than sound
(b) much faster than sound
ROW the distance between the sout
of sound and observer and the tempera
5. We cannot hear on moon, because the
Tick (~) the most appropriate answer :
1. An electric bell is suspended in a belljar and
then air is removed from it. On switchings
the electric bell, the sound heard is:
(b) normal sound
(d) no sound is heard
3. The crack of a thunder cloud is heard later
than the flash of lightning because, the light
2. The convenient instrument used in laboratory​

Answer 1

Answer:

ऑरृटलटढरृठधॅजथठणधॅछवxjtudrstisitdpufyelutoyu5widyiryor

Answer 2

Answer:

1)Cotton and textile industry is the largest in India for the following reasons: a) The soil and climate type in large regions of the country, particularly, Maharashtra, Gujarat and Central India, is suitable for growing of cotton.

2)Industries do require a large amount of raw material to make them into finished products. This requires the extraction of minerals from beneath the earth. The extracted minerals can cause soil pollution when spilled on the earth. Leaks from vessels can cause oil spills that may prove harmful to marine life.

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