Light is:
1. | a wave phenomenon |
2. | a particle phenomenon |
3. | both particle and wave phenomenon |
4. | none of the above |
The amplitude modulated (AM) radio wave bends appreciably round the corners of a 1m × 1m board but the frequency modulated (FM) wave only negligibly bends. If the average wavelengths of AM and FM waves are \(\lambda_a\) and \(\lambda_f\),
1. \(\lambda_a\) > \(\lambda_f\)
2. \(\lambda_a\) = \(\lambda_f\)
3. \(\lambda_a\) < \(\lambda_f\)
4. we don't have sufficient information to decide about the relation of \(\lambda_a\) and \(\lambda_f\)