EASY
6th Foundation
IMPORTANT
Earn 100

A pendulum swings backwards and forwards passing through , the middle point of the oscillation.
The first time the pendulum passes through , a stopwatch is started.

The twenty-first time the pendulum pass through , the stopwatch is stopped. The reading is .
What is the time period of the pendulum?
(a)
(b)
(c)
(d)

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Important Questions on Motion and Measurement of Distances
EASY
6th Foundation
IMPORTANT
Given figure shows a measuring cylinder (in ) before and after the immersion of an irregular solid object. The volume of the object is


EASY
6th Foundation
IMPORTANT
A piece of thread folded times is placed along a long measuring scale as shown in the figure. The length of the thread is between

