2. Name the three scales of temperature, 5. What do you mean by luminous intensity |
VII. Answer brierly.
1. What is measurement?
3. Define - Ampere.
4. What is electric current?
6. Define - Mole.
7. What are the differences between plas
angle and solid angle?
VIII. Answer in detail.

2. Celsius..Farenheit..Kelvin

1. Measurements is process of measuring or size of something

3. Ampere is measure of the amount of electric charge per unit time

4. Electric current is the rate of flow of charge.

5. Luminous intensity: is a quantity for characterizing a light source.

6. Mole: unit of measurement for amount of substance in SI system

7. Plane angle we simply say that angle in two dimensions

Where as solid angle is in three dimensions