Motion & measurement of distances

The error that occurs due to the wrong position of eyes while taking a reading on measuring scale is known as

500deciliter=………….. Milliliter.

• 50

• 500

• 50,000

• 5

957 centigram=……….hectogram

• 957

• 0.0957

• 9.57

• 95.7

The position of the eye is not important while measuring with a scale

• True

• False

What is non-periodic motion?

• Any motion that will repeat itself after a fixed interval of time.

• Any motion that will repeat itself at any time.

• Any motion that does not repeat itself after a fixed interval of time

• Any motion that does not repeat itself at any time.

Different types of motion occur at the same time.

• True

• False

The hands of a clock move in a

• Oscillatory motion and periodic motion

• Rotational motion and circular motion

• Circular motion and non-periodic motion

• Periodic motion and Circular motion

Which of the following examples involves random motion ?

• Motion of dust particles in air

• Birds flying in the sky

• Fishes in water

• Flow of water in sea

Which of the following examples involves both periodic and oscillatory motion?

• Pendulum of a clock

• Hands of a clock

• Revolution of the earth

• Motion of a top.

Which of the following examples involves non periodic motion?

• Rocking of a chair

• Birds flying in the sky

• Motion of a sewing machine

• Pendulum of a clock