Question 35

Echoes may be heard more than once due to successive or multiple:

Solution

The correct option is B.

Sound bounces off a solid or a liquid like rubber ball bounces off a wall. Like light, sound gets reflected at the surface of a solid or liquid and follows the same law of reflection.

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RRB ALP 21st Aug 2018 Shift-3

Echoes may be heard more than once due to successive or multiple:

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