Question

C. Circle the odd-one out giving appropriate reason.1. Periodic motion, Oscillatory motion, Vibratory motion, Random m2. Sundial, Water clock, Stopwatch, Table clock3. Simple pendulum, Bob, Mean position of the bob, Balance whe4. Speed, Metre per second, Speedometer, Odometer​

Answer 1

Answer:

1.Random

2.Water.

3.Mean position of the bob.

4.Speed.

Answer 2

Answer:

(1) random motion

(2) stopwatch

(3) balance wheel

(4) speed