Question

Motion of pendulum of wall clock is a-

1. Rectilinear motion
2. Circular motion
3. Straight line
4. Periodic motion​

Answer 1

Motion of pendulum of wall clock is oscillatory motion.

But according to your question the answer will be 4. Periodic motion.

Answer 2

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Motion of pendulum of wall clock is a-

1. Rectilinear motion

2. Circular motion

3. Straight line

4.Periodic motion. $\checkmark$