Question

5. Quartz crystal is used in a
(a) pendulum clock O (b) water clock O (c) quartz watch (d) sundial
6. The time taken for 20 oscillations is 52 seconds. The time period of this pendulum is
(b) 2.6 s 0 (c) 2.0 s
(d) 4.4 s
(a) 5.2 s​

Answer 1

Answer:

Quartz crystal is used in a pendulum clock

Explanation:

Solution: The time taken to complete one oscillation is known as the time period of the pendulum. Given: - 20 oscillations taking 32s to complete. Therefore 1.6s is the time period of the pendulum.