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UPSC Prelims 1979Question 49Science & Technology

An ordinary clock loses time in summer. This is because

Options

  1. (a)The length of the pendulum increases and time period increases
  2. (b)The length of the pendulum increases and time period decreases
  3. (c)The length of the pendulum decreases and time period increases
  4. (d)The length of the pendulum decreases and time period decreases

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