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A ball is dropped into a well in which the water level is at a depth h below the top.If the speed of sound is c,then the time after which the splash is heard will be given by
Options
(a) h[(√2/gh)+(1/c)]
(b) h[(√2/gh)-(1/c)]
(c) h[(2/g)+(1/c)]
(d) h[(2/g)-(1/c)]
Correct Answer:
h[(√2/gh)+(1/c)]
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Motion in Straight Line
(93)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A beam of light of wavelength 590 nm is focussed by a converging lens of diameter
- A and B are two metals with threshold frequencies 1.8 x 10¹⁴ Hz and 2.2 x 10¹⁴ Hz.
- What is the energy of He⁺ electron in first orbit?
- When a mass m is attached to a spring, it normally extends by 0.2 m.
- Electrons used in an electron microscope are accelerated by a voltage of 25 kV
Topics: Motion in Straight Line (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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