Why is a pendulum clock made of invar?
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invar is an alloy. The length of a pendulum made of invar does not change with temperature and hence the time period of oscillation remains the same. Hence the time shown by the clock is accurate.
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invar is an alloy. The length of a pendulum made of invar does not change with temperature and hence the time period of oscillation remains the same. Hence the time shown by the clock is accurate.
plese mark as brainliest.
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