The waves with the most higher energy are Gamma rays and X-rays
The electromagnetic spectrum is the distribution of radiation due to the different wavelengths at which it radiates and its different intensities.
The energy of each wavelength can be determined by means of the following equation:
but , therefore:
Where h is the Planck constant, c is the speed of light and is the wavelength.
Radiation is distributed along that electromagnetic spectrum according with the wavelength or frequency. Therefore, the ones with lower wavelength will have higher energy according to equation 2, since they are inversely proportional.
For example, Gamma rays, X-rays, ultraviolet rays, the visible region are the ones with the lower wavelengths and infrared, microwave and radio waves with higher wavelength.
Then, the waves with the most higher energy are Gamma rays and X-rays.
ALL waves carry energy from place to place. They don't even have to be electromagnetic waves. It's just as true for ocean waves, tsunami waves, sound waves, slinky waves, etc.
Radio waves and microwaves is the answer.
any wave having low frequency or high wavelength will have low energy.
Radio waves and microwaves
The energy of a wave is given by :
The wave having low frequency or high wavelength will have low energy. The wavelength of radio wave and microwave is maximum in the electromagnetic spectrum.
From equation (1) it is clear that the energy is wave is inversely proportional to the wavelength. If the wavelength is high, it will have low energy. So, the correct option is (d) "radio waves and microwaves".
x rays and gamma rays in the electromagnetic spectrum are considered high energy waves.
t = 1/400 h ⇔ 0.0025 h ⇔ 9s ⇔ 0.15 m
any of the answers are correct.