MCQ
A person standing between two vertical cliffs hears two sounds one after 6 s and other 4 s later. The time for first echo is _________ and for second echo is _________ .
- A$6 s, 4 s$
- B$4 s, 6 s$
- ✓$6 s, 10 s$
- D$10 s, 4 s$
✓
Answer
Correct option: C.
$6 s, 10 s$
(c)
$6 s, 10 s$
Explanation:
Time for first echo is the shorter time and time for second echo is addition of first time with the second time.
$6 s, 10 s$
Explanation:
Time for first echo is the shorter time and time for second echo is addition of first time with the second time.
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