Question

Which of the following cannot be used for measurement of time
(a) a leaking tap. (b) a simple pendulum. (c) shadow of an object during the day. (d) blinking of eyes.

Answer 1

Answer:

I think it may be leaking tap, because we blink eyes after a specific time.

Answer 2

Answer:I think the answer is a leaking tap .

Explanation: Because a leaking tap can't be used to measure time -

》In, old days people used Sundial to measure time as it helped by shadow only in day .

》People used Pendulum and now also it is used to measure time.