Questions
Statement I: A man with a wristwatch spring wound on his hand falls from the top of a tower. The watch will show this correct time.
Statement II: The acceleration due to gravity have no effect on time period of watch at the time of falling.
detailed solution
Correct option is A
When the man falls from the top of a tower, he will be in the state of weightlessness A spring wound watch runs on the basis of spring action i.e., on the basis of the potential energy stored in the wound spring. Since, acceleration due to gravity does not play any role, the watch will give correct time, when the man falls from the top of a tower.Talk to our academic expert!
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The identical springs of constant ‘K’ are connected in series and parallel as shown in figure A mass M is suspended from them. The ratio of their frequencies of vertical oscillations will be
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