Simple Pendulum

Simple Pendulum: Key Concepts

A simple pendulum consists of a bob and a string. It swings about its mean position when released. Its motion is periodic and regular.

1. The central position of a pendulum is called:

Mean position Extreme position Midpoint Swing point

2. One complete to-and-fro motion is called:

One oscillation One round One wave One rotation

3. Time period is the time taken for:

One oscillation Two oscillations One minute Half swing

4. The unit of frequency is:

hertz second metre gram

5. Which factor affects the time period of a pendulum?

Length of string Mass of bob Colour of bob Shape of bob

6. What is the relation between frequency and time period?

f = 1/T f = T f = T + 1 f = T × 2

7. Which of these is an extreme position?

Farthest point from mean Midway of swing At rest point Below the stand

8. SI unit of time period is:

second hertz metre kilogram

9. Frequency of a pendulum depends on:

Time period Shape of bob Temperature Air colour

10. Which of the following does NOT affect the time period?

Mass of bob Length of string Gravity Height of stand