Motion and Measurement of Distances Test

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Motion and Measurement of Distances Test - 21

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Weekly Quiz Competition

Question 1
1 / -0

You are provided three scales $$A, B$$ and $$C$$ as shown in Fig. to measure a length of $$10\ cm$$.
For the correct measurement of the length, you will use the scale:

A
$$A$$ only

B
$$B$$ only

C
$$C$$ only

D
Any of the three scales

Solution

Length of 10 cm is available in all the three scales A, B, and C. So, any of the three scales can be used.
Question 2
1 / -0

A ball falls down vertically. Its motion is

A
periodic

B
linear

C
circular

D
vibratory

Solution

A ball falls down vertically. Its motion is rectilinear motion because it will fall along a straight line.
Question 3
1 / -0

A car moving on a straight road is an example of

A
rotatory motion

B
rectilinear motion

C
oscillatory motion

D
periodic motion

Solution

A car moving on a straight road is an example of rectilinear motion.
Question 4
1 / -0

The magnitude of any physical quantity

A
Depends on the method of measurement

B
Does not depend on the method of measurement

C
Is more in SI system than in CGS system

D
Directly proportional to the fundamental units of mass, length
and time

Solution

The magnitude is a absolute quantity and it does not depend on the method of measurement.
Question 5
1 / -0

Motion of wheel of a car is an example of

A
Translatory motion

B
Rectilinear motion

C
Curvilinear motion

D
Circular motion

Solution

The wheel of a car moves in a circular path. So it will be a circular motion.
Question 6
1 / -0

Standard (SI) Unit of length is

A
$$Meter$$

B
$$Centimeter$$

C
$$Inches$$

D
$$Kilometer$$

Solution

The standard(SI) unit of length is $$meter$$.
Question 7
1 / -0

Motion of a butterfly can be described as

A
Periodic motion

B
Circular motion

C
Translatory motion

D
Random motion

Solution

The motion of a butterfly is described as a random motion as it does not move in a defined path.
Question 8
1 / -0

Beating of a drum can be termed as which of the following type of motion ?

A
Periodic motion

B
Rectilinear motion

C
Rotatory motion

D
Circular motion

Solution

The beating of the drum occurs at a defined period. So, it is a periodic motion.
Question 9
1 / -0

One meter has $$10$$ equal parts called

A
Millimeters

B
Centimeters

C
Decimeters

D
Nanometers

Solution

One meter has $$10$$ equal parts called as decimeter.
Question 10
1 / -0

Which of the following is the common characteristic of all moving bodies?

A
They do not change their position with time.

B
They change their position with time.

C
They always travel with uniform speed.

D
Equations of motion have to be applied to them.
Solution
- The moving bodies, i.e. the bodies in motion are called so because their position is changing with time.
- The moving bodies don't need to travel with a uniform speed.
- Equations of motion don't always apply to moving bodies. They are applicable only in case of uniformly accelerated motion.
So option B is the answer.

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Motion and Measurement of Distances Test - 21

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Motion and Measurement of Distances Test - 21

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Question 1

$$A$$ only

$$B$$ only

$$C$$ only

Any of the three scales

Solution

Question 2

periodic

linear

circular

vibratory

Solution

Question 3

rotatory motion

rectilinear motion

oscillatory motion

periodic motion

Solution

Question 4

Depends on the method of measurement

Does not depend on the method of measurement

Is more in SI system than in CGS system

Directly proportional to the fundamental units of mass, lengthand time

Solution

Question 5

Translatory motion

Rectilinear motion

Curvilinear motion

Circular motion

Solution

Question 6

$$Meter$$

$$Centimeter$$

$$Inches$$

$$Kilometer$$

Solution

Question 7

Periodic motion

Circular motion

Translatory motion

Random motion

Solution

Question 8

Periodic motion

Rectilinear motion

Rotatory motion

Circular motion

Solution

Question 9

Millimeters

Centimeters

Decimeters

Nanometers

Solution

Question 10

They do not change their position with time.

They change their position with time.

They always travel with uniform speed.

Equations of motion have to be applied to them.

Solution

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Directly proportional to the fundamental units of mass, length
and time