a. What is the wavelength of a photon that has a frequency of 2.10 \times 10{14} \ Hz? Answer in...

Question:

Photons

The photons are packets of energy. They possess a fixed amount of energy, therefore, they are also known as quanta. Light is considered to be made up of a series of photons. Light exhibit dual nature which means it can behave as a particle or as a wave. The wavelength of the photon is expressed in 'meter'. The relation between the wavelength, and frequency of the photons can be given by the following formula:

$$c = f\lambda $$

where {eq}c {/eq} is the speed of light and its value is {eq}3 \times ^8 \ \mathrm{m/s} {/eq}, {eq}f {/eq} is the frequency in Hertz {eq}\mathrm{Hz} {/eq} and {eq}\lambda {/eq} is the wavelength in meters or sometimes in nanometers ({eq}\mathrm{nm} {/eq}).

Electromagnetic radiation can be divided into several regions depending on wavelength and frequency. The range of ({eq}400-700\ \mathrm{nm} {/eq}) is known as visible light as it can be seen by the human eyes. Other than this, there are infrared, microwave, radio waves, etc.

Answer and Explanation: 1