Ch- 13 Motion and Time

Chapter-13

Motion and Time

Multiple Choice

What is the speed of an object moving along a straight line keeps changing, it is said to be in

• Uniform motion

• Non-Uniform motion

• Circular motion

• Harmonic motion

Multiple Choice

To Calculate speed we need

• Distance and Time

• Time and Frequency

• Velocity and Distance

• Direction and Time

Multiple Choice

Our ancestors considered one month as time between

• one new moon to no moon

• one new moon to next new moon

• Half moon to full moon

• Crescent moon to full moon

Multiple Choice

When an object moves along the straight line with a constant speed, it is said to be in

• Non-Uniform motion

• Harmonic motion

• Circular motion

• Uniform motion

Multiple Choice

In ancient times, a year was fixed as the time

• Time taken by the moon to complete one revolution of the Earth

• Time taken by the earth to complete one rotation on its axis

• Time taken by the earth to complete one revolution of the sun

• Between the two eclipces

Multiple Choice

Simple pendulum exhibits

• Periodic Motion

• Circular motion

• Uniform motion

• Non-Uniform motion

Multiple Choice

Time taken by a pendulum to complete one oscillation is called

• Pendulum period

• Frequency

• Time period

• Oscillatory period

Multiple Choice

The time between two sunrises is considered as

• Year

• Month

• Day

• Season

Multiple Choice

The basic unit of time is

• Minute

• hour

• millisecond

• second

Multiple Choice

The unit of speed is

• m/s

• km/s

• m/min

• km/hr

Multiple Choice

A car moves at the speed of 60km/hr for 15min. The distance covered by the car is

• 22km

• 15km

• 60km

• 30km

Multiple Choice

distance between two cities is measured in

• meters

• millimeters

• kilometers

• Centimeters

Multiple Choice

Beating heart is an example of

• Translatory motion

• Periodic motion

• Vibratory motion

• Rotatory motion

Multiple Choice

The to and fro motion of an object which moves along the same path is called

• Rotatory Motion

• Vibratory Motion

• circular Motion

• oscillatory Motion

Multiple Choice

Sand clocks were used by our ancestors to know about

• speed

• distance

• time

• diection