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Physics
Which of the following is the infrared wavelength?
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Q. Which of the following is the infrared wavelength?
AIIMS
AIIMS 1997
Electromagnetic Waves
A
$10^{-4} cm$
B
$10^{-5} cm$
C
$10^{-6} cm$
D
$10^{-7} cm$
Solution:
The wavelength of infrared region is $8 \times 10^{-5} cm$ to $3 \times 10^{-3} cm$.
So maximum wavelength of infrared region $=8 \times 10^{-5} cm \approx 10^{-4} cm$.