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SAI International School
Class VII
Home Assignment
Subject: Physics
Ch-Time and Motion
Subtopic: Simple Pendulum

INSTRUCTIONS:
For Assertion & Reason question follow the following directions.
DIRECTION: Each of these questions contains an Assertion followed by Reason. Read them carefully and answer the
question on the basis of following options. You have to select the one that best describes the two statements.
(a) If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
(b) If both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion.
(c) If Assertion is correct but Reason is incorrect.
(d) If Assertion is incorrect but Reason is correct.
(e) If Assertion & Reason both are incorrect.

MCQ Marks
1. The time period of pendulum depends upon 1
a) Length of the string.
b) mass of the bob.
c) Material of the bob
d) Size of the bob
2. Find the odd one out. 1
a) Rigid support
b) Amplitude
c) Time period
d) Frequency
3. The maximum displacement of pendulum from mean position is 1
a) Time period
b) Oscillation
c) Amplitude
d) Frequency
4. Astronomer Galileo Galilei experimented on Simple pendulum to develop a device 1
to
a) measure time
b) measure distance between heavenly bodies
c) measure speed of the planets.
d) measure height of the people.
5. In order to double the period of a simple pendulum, the length of the string should 1
be
a) Halved
b) Doubled
c) Quadrupled
d) none of the mentioned
6. The time taken by a pendulum of given length to complete one oscillation is 1
a) Different at different times
b) Same at all times
c) Increases at different times
d) Decreases at different
7. The Big Ben pendulum frequency is 0.25 Hz. Then, it’s time period will be 1