What is the unit for measuring intensity of light?

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Editor">Editor Staff asked 1 year ago

What is the unit for measuring intensity of light?
 
(a) Candela
 
(b) Lightyear
 
(c) Meter
 
(d) Mol
 
This question was posed to me in unit test.
 
This interesting question is from The International System of Units topic in section Units and Measurements of Physics – Class 11
Select the correct answer from above options 
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Editor">Editor Staff answered 1 year ago

Correct answer is (a) Candela
 
For explanation I would say: The unit for measuring luminous intensity is Candela (cd). Lightyear and Meter are units of distance. Mol is unit of amount of a substance.

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