Q.
Visible range of wavelength in cm is
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a
3×10−6 to 10−10
b
7×10−5 to 4×10−5
c
4×10−5 to 3×10−6
d
6×104 to 1.5×103
answer is B.
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Detailed Solution
Wave length of visible light is from 4000 ×10-8 cm to 7000×10-8 cm
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