Answer:
The wave length will increase as frequency decreases
Explanation:
When frequency increases more wave crests pass a fixed point each second. That means the wavelength shortens. So, as frequency increases, wavelength decreases. The opposite is also true—as frequency decreases, wavelength increases.
1. 40 n
2. 25 n
Im sorry if it is wrong
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Correct option is D.
The size may change due to the distance from the mirror
I am 100% Sure about this answer
