EASY
Earn 100

A person moves in a circular path centred at its origin O and having radius 1 m. He starts from A and reaches diametrically opposite point B then find distance between A and B and magnitude of displacement between A and B.

Important Questions on Motion and Measurement of Distances

EASY
Science>Physics>Motion and Measurement of Distances>Measuring the Length of a Curved Line
The length of an arc of a circle having radius 15 cm is 20 cm. Hence its area of minor sector is _____ cm2.
EASY
Science>Physics>Motion and Measurement of Distances>Measuring the Length of a Curved Line
In a ⊙O,r if the angle subtended by the minor arc at the centre of the circle is θ, then the length of the minor arc l is _____.
EASY
Science>Physics>Motion and Measurement of Distances>Measuring the Length of a Curved Line
Correct the following statement.

The length of a curved line can be measured by using a scale.

HARD
Science>Physics>Motion and Measurement of Distances>Measuring the Length of a Curved Line

Solve the following crossword puzzle:

Across:

1. Motion along a straight line.

2. Motion that does not repeat after regular intervals of time.

3. The length of a curved line can be measured by using.

Down:

4. SI unit of distance.

5. Motion along with a curved line.

6. A traditional unit of length.

Question Image

 

HARD
Science>Physics>Motion and Measurement of Distances>Measuring the Length of a Curved Line
How can you measure length of a curved line?
EASY
Science>Physics>Motion and Measurement of Distances>Measuring the Length of a Curved Line
The length of a curved line can be measured using a _____ (divider / thread).
MEDIUM
Science>Physics>Motion and Measurement of Distances>Measuring the Length of a Curved Line
Explain how will you measure the diameter of a big tree with the help of a thread and a scale. Can you measure the diameter in some other way as well?
EASY
Science>Physics>Motion and Measurement of Distances>Measuring the Length of a Curved Line
Name two things which can be used to measure the length of a curved line. 
MEDIUM
Science>Physics>Motion and Measurement of Distances>Measuring the Length of a Curved Line
What are the methods used to measure the length of a curved line? Explain with the help of activities.
HARD
Science>Physics>Motion and Measurement of Distances>Measuring the Length of a Curved Line
How will you measure the diameter of tennis ball?
MEDIUM
Science>Physics>Motion and Measurement of Distances>Measuring the Length of a Curved Line
Describe the method of measuring the length of a curved line with the help of a divider?
MEDIUM
Science>Physics>Motion and Measurement of Distances>Measuring the Length of a Curved Line
Explain how one can measure the length of a curved line using a string. 
MEDIUM
Science>Physics>Motion and Measurement of Distances>Measuring the Length of a Curved Line
Describe the measurement of a curved line with the help of a divider?
EASY
Science>Physics>Motion and Measurement of Distances>Measuring the Length of a Curved Line
The length of the curved line can be measured with a _____.
MEDIUM
Science>Physics>Motion and Measurement of Distances>Measuring the Length of a Curved Line
Write the method of measuring the length of a curved line using a thread and pins.
MEDIUM
Science>Physics>Motion and Measurement of Distances>Measuring the Length of a Curved Line
With the help of an activity, explain the measurement of a curved line.
EASY
Science>Physics>Motion and Measurement of Distances>Measuring the Length of a Curved Line
Length of a curved line cannot be measured with scale.
HARD
Science>Physics>Motion and Measurement of Distances>Measuring the Length of a Curved Line
Name two methods you can use to measure the length of a curved line. Draw labelled illustrations to show the steps.
HARD
Science>Physics>Motion and Measurement of Distances>Measuring the Length of a Curved Line
Name two methods you can use to measure the length of curved line. Explain them briefly with the help of diagrams.
EASY
Science>Physics>Motion and Measurement of Distances>Measuring the Length of a Curved Line
We can find the length of a curve with the help of a measurement tape and a _____(stone/thread).