Motion and Measurement of Distances Test

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Motion and Measurement of Distances Test - 14

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Weekly Quiz Competition

Question 1
1 / -0

Electric drill, rolling ball, wheel of a moving car, pendulum of a wall clock,spinning ball. Find the odd one out.

A
pendulum of a wall clock

B
Electric drill

C
wheel of a moving car

D
spinning ball

Solution

Pendulum of a wall clock- It is in periodic motion. Rest all are in multiple motion. The restoring force is proportional to displacement .While electric drill, rolling ball etc are in multiple motion like rotational +translational or Vibrational motion.
Question 2
1 / -0

Find odd one out:

A
a girl swinging in a swing

B
falling stone

C
a child sliding down a slope

D
firing of a bullet from a gun

Solution

Falling stone, sliding of child down the slope and firing of a bullet from the gun are the examples of translation motion where motion of a girl swinging in a swing is an example of oscillatory motion.
Question 3
1 / -0

An example of curvilinear motion is -

A
an apple falling from a tree

B
a spinning wheel

C
the motion of a pendulum

D
throwing of a javelin

Solution

Curvilinear motion is defined as a motion that occurs when a particle travels along a curved path. The curved path can be in two dimensions (in a plane), or in three dimensions.
Apple will fall in a straight line so this motion is rectilinear motion.
the spinning wheel is a circular motion
pendulum will perform SHM
Javelin is thrown at some angle with horizontal so will have an acceleration at some angle with the velocity so the path followed will be curved. So-called curvilinear motion.
Question 4
1 / -0

One centimetre is equal to

A
5 mm

B
10 mm

C
15 mm

D
None of these

Solution

We know that:
$$ 1\ cm = 10\ mm$$
Question 5
1 / -0

Which of the following is true for meter scale?

A
It can measure upto $$1 cm$$

B
It can measure upto $$1 m$$

C
It can measure upto $$1 mm$$

D
None of these

Solution

Meter scale can measure upto $$1 \ mm$$ as the length between two consecutive lines is $$1 \ mm$$.
Question 6
1 / -0

The SI unit of length is the:

A
Millimetre

B
Centimetre

C
Metre

D
Kilometre

Solution

Metre is the SI unit of length.
Question 7
1 / -0

Name the type motion of A flying insect

A
Random motion (Irregular motion)

B
Circular motion

C
Rolling motion

D
Purely translation motion

Solution

A flying insect is an example of random motion (irregular motion). Because it can change its motion in any direction at instant of time also it can keep rest in air.
Question 8
1 / -0

Motion which repeats itself after regular intervals is called

A
oscillatory motion

B
vibratory motion

C
periodic motion

D
none

Solution

Motion which repeats itself after regular intervals of time is known as periodic motion. It can be uniform circular motion, oscillating pendulum. The necessary condition for periodic motion is that the time period of each repeating motion should be same (constant).

Oscillatory motion and vibratory motion is to-and-fro motion which must involve motion between two extreme positions. The motion may or may not repeat itself at fixed intervals of time, i.e. the time period may or may not be constant.
Question 9
1 / -0

Smoke particles from a chimney exhibit :

A
Random or irregular motion

B
Circular motion only

C
Linear motion only

D
Rotational motion only

Solution

Smoke particles from the chimney have velocities in different direction and thus they exhibit random or irregular motion.
Question 10
1 / -0

Big division of metre scale is known as :

A
mililitre

B
metre

C
centimetre

D
decimetre

Solution

Length is measured by using a metre scale. A meter scale is divided into 100 equal parts,called centimetres.

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Re-Attempt Weekly Quiz Competition

Motion and Measurement of Distances Test - 14

Result

Motion and Measurement of Distances Test - 14

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SHARING IS CARING

Question 1

pendulum of a wall clock

Electric drill

wheel of a moving car

spinning ball

Solution

Question 2

a girl swinging in a swing

falling stone

a child sliding down a slope

firing of a bullet from a gun

Solution

Question 3

an apple falling from a tree

a spinning wheel

the motion of a pendulum

throwing of a javelin

Solution

Question 4

5 mm

10 mm

15 mm

None of these

Solution

Question 5

It can measure upto $$1 cm$$

It can measure upto $$1 m$$

It can measure upto $$1 mm$$

None of these

Solution

Question 6

Millimetre

Centimetre

Metre

Kilometre

Solution

Question 7

Random motion (Irregular motion)

Circular motion

Rolling motion

Purely translation motion

Solution

Question 8

oscillatory motion

vibratory motion

periodic motion

none

Solution

Question 9

Random or irregular motion

Circular motion only

Linear motion only

Rotational motion only

Solution

Question 10

mililitre

metre

centimetre

decimetre

Solution

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