EASY
7th CBSE
IMPORTANT
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A is used to measure the exact time in the laboratories.(pendulum clock/stopwatch/digital clock)

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Important Questions on Time and Motion

EASY
7th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 15 - Time and Motion>EXERCISE>Q 7
A body moving along straight-line path is said to have _____ motion.(uniform/non uniform)
EASY
7th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 15 - Time and Motion>EXERCISE>Q 1
Time is defined as a period between the two events.
EASY
7th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 15 - Time and Motion>EXERCISE>Q 2

State whether the given statement is True or False. Correct the false statement.

Sundials and sand clocks were used by human beings to measure length.

EASY
7th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 15 - Time and Motion>EXERCISE>Q 3
The time period of a simple pendulum changes with the length of the string.
EASY
7th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 15 - Time and Motion>EXERCISE>Q 4
The frequency is measured in hertz.
EASY
7th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 15 - Time and Motion>EXERCISE>Q 5

The first pendulum clock was invented by the Dutch scientist, Christiaan Huygens.

EASY
7th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 15 - Time and Motion>EXERCISE>Q 6

State whether the given statement is True or False. Correct the false statement.

In modern watches, the pendulum is used in place of quartz.

EASY
7th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 15 - Time and Motion>EXERCISE>Q 7
Speed can be calculated by knowing the distance travelled and the time taken.