100+ Units and Measurements in Physics Questions - 1

Question: 1

Define candela?

Candela is defined as the luminous intensity 1/60,000 m² of a black body at the temperature of freezing plantinum (2045 K). It is denoted as cd.

Question: 2

Define oscillation of a pendulum?

The to and fro movement of a pendulum is called Oscillation of the pendulum.

Question: 3

Define area?

The amount of surface occupied by an object is called area.

Question: 4

What is the length of the simple pendulum?

The distance between the centre of the bob and the point of suspension is called the length of the pendulum.

Question: 5

Define ampere?

Ampere is the quantity of current which produce a force of 2x10^-7 N metre length between two long parallel wires separated by a metre in a Vacuum. It is denoted as A.