Which of the following is an effect of increasing the wavelength of an
electromagnetic wave?

Effect of increasing the wavelength of an  electromagnetic wave

Explanation:

1.Wavelength = speed of light/frequency.

2.The frequency of an electromagnetic wave increases as wavelength decreases.

3.As wavelength decreases (and frequency increases) energy increases.

4.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.