Which is an example of periodic motion?

• The swinging of a pendulum of a clock

• March past of Indian Army

• Blades of an electric fan

• None of these

State true or false:

The result of a measurement is expressed in two parts.

• True

• False

Moving ceiling fan is an example of ____________

• Circular motion

• Rotational motion

• Curvilinear motion

• Linear motion

15 cm is equal to

• 150 mm

• 15000 km

• 15 m

• None of these

Apple falling from a tree is

• Linear motion

• Circular motion

• Curvilinear motion

• Periodic motion

Select the option given below which is equal to 4 km

• 40 m

• 4000 m

• 400mm

• 4cm

Name the two parts of measurement is expressed.

• Unit

• Inch

• Tape

• Number

What is a SI unit of measurement?

• Angul(finger)

• Muthhi(fist)

• Step

• Inch

Choose the odd one out:

• Metric Weight

• Inch

• Pace

• Centimetres

State true or false:

Motion of second hand of a clock is rectilinear.

• True

• False