49. the shorter the wavelength a) greater the energy b) lower the energy c) lower the frequency d) lower the pitch on the electromagnetic spectrum the

The correct option is: A) greater the energy

Explanation:

Wavelength is defined as the distance between the two adjacent crests, troughs, or the corresponding zero crossings and is denoted by the symbol lambda, λ.

According to the Planck's Law, the energy of a quanta or photon is given by

E= h ν

and also for an electromagnetic radiation: c = v λ or v = c / λ

where, c - speed of light, v - frequency of radiation , λ - wavelength of radiation, h- Planck's constant.

Therefore, the Planck's equation can be written as:

E = h ν = h c / λ

Since wavelength is inversely proportional to energy ( E ∝ 1 / λ).

Therefore, the shorter the wavelength, greater is the energy.