Sound travels 330 meters a second. The sound of a thunder-cloud follows the flash after 10 seconds. The thunder-could is at a distance of

3.7 km

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3.5 km

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3.3 km

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None of these

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Solution

The correct option is C 3.3 km
(c)
Distance of thunder-cloud
= distance traveled by sound in 10 sec.
=(330 $\times$ 10) meters
=3.3km.

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