Question

घड़ी में सेकण्ड वाली सुई का आवर्तकाल होता है
(अ) 1 मिनट
(ब) 1 घण्टा
(स) 12 घण्टे
(द) 24 घण्टें।

Answer 1

Answer:

first option one minute

Answer 2

The  time period of second needle is 1 minute.

(a) is correct option

Explanation:

We know that,

In the watch,

Three needles is in the watch.

The time period of second needle is 60 second.

It means the time period of second needle is 1 minute.

The time period of minute needle is 60 minute.

It means the time period of minute is one hour.

Hence, The  time period of second needle is 1 minute.

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Topic : time period

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