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Which of the following produces yellow l...

Which of the following produces yellow light ?
a) Sodium lamp b) Sunlight c) LPG gas

A

only (a)

B

only (a) and (b)

C

only (a) and (c)

D

only (b) and (c)

Text Solution

Verified by Experts

The correct Answer is:
B
If light from two different sources has the same colour it also has the same wavelength even if the origins are different . Sodium lamp is an artificial source of light while sunlight is a natural source of light .
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