Question

(b) What do most watches have these days, instead of a pendulum?

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Answer 1

Answer:

where are the options..??

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Answer 2

Answer:

Use of Quartz Crystals

So most of the accurate clocks and watches these days use quartz crystals for measuring time. The clocks and watches which use quartz crystals for their working are called quartz clocks and quartz watches. They are also called electronic clocks and watches.

Explanation:

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