Question

What is the wavelength range of visible light ?
(A) 4 X 10⁻⁷m to 8 X l0⁻⁷m
(B) 4 X 10⁻⁹m to 8 X l0⁻⁹m
(C) 4 X 10⁻⁵m to 8 X 10⁻⁵m
(D) 4 X 10⁻⁶rn to 8 X 10⁻⁶m

Answer 1

op a is the correct option
because the range of visible light is 400 nm to 700 nm

as 1 nm = 10^-9 m
so 400×10^-9 = 4 × 10^ 7 m
and 700×10^-9 = 7× 10^ 7 m

so most appropriate ans will be op a

hope it helps.
pls correct me if i m wrong
Happy reading keep smiling

Answer 2

Answer:

option a is the answer student. thank you please mark mark as brain least answer

Explanation:

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