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What is the unit for measuring intensity of light?

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in Physics – Class 11 by (74.2k points)
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

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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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