Question

The SI unit of luminous intensity is

• A. ampere
• B. candela
• C. mole
• D. none of these

Answer 1

The correct option is B

candela

Explanation for correct option:

(B) Candela

1. Candela is the SI unit of luminous intensity.
2. It is defined as the luminous power per unit solid angle emitted by a point light source in a particular direction.

Explanation for incorrect option(s):

Option (A)

Ampere is the unit of electric current.

Option (C)

Mole is the unit of the amount of substance.

Hence, the correct option is (B).