Electromagnetic spectrum

Introduction Ever wondered why sometimes just by observing the oven, without even touching it, we can tell whether it is warm or cold? Ever felt the heat transfer from sun and fire. We know that the space between Earth and Sun is so large and empty that there is no way of heat transfer by

Light is a form of electromagnetic radiation that propagates in free space or vacuum perpendicular to the direction of oscillations of the photons of the transverse wave. The sun is the primary source of light energy (polychromatic light), also known as white light, containing seven colours of the visible spectrum. The electromagnetic spectrum consists of

Ultraviolet radiations are the rays that are obtained in between the position of visible rays and x-rays on the spectrum of electromagnetic waves. The wavelength of these radiations happens to be 10-400 nm. The frequency of these rays is 7.5 × 1014 Hz to 3 × 1016 Hz. As these rays lie outside the visible

When we look at a leaf, we can tell that it is green because light bounces off the leaf and into our eyes, signalling to us that the leaf is indeed green. But what exactly is light? What are the sources of light that are responsible for the creation of light? Radiation of the electromagnetic

As per the definition of the electromagnetic spectrum, it is the distribution of electromagnetic radiation with different wavelengths, frequencies and energy of photons. The wavelength of these electromagnetic waves ranges from more than a thousand kilometres to less than a fraction of the size of the tiny atomic nucleus. A frequent question that comes to

X-ray technology was invented by Wilhelm Roentgen, a German physicist, in 1895. X-rays are a kind of electromagnetic wave that is invisible and used in many fields. The most common use of X-rays is examining different human body areas. Besides, X-rays are used in multiple industries, especially in the health sector via mammograms, radiation therapy,

Ultraviolet rays are electromagnetic radiation that makes black-light posters glow, and it is also the main reason behind summer tans and sunburns on human skin. Extreme exposure to UV radiation is damaging to living tissue. The sun transmits electromagnetic radiation; it is transmitted in waves or particles at different wavelengths and frequencies. This wide range

Frequency Modulation is a modulation in which the frequency of the carrying wave is adjusted according to the instantaneous amplitude of the modulating signal, keeping the phase and the amplitude unchanged. Modifications to the wave frequency were used for the purpose of transmitting data or information over short distances. Frequency Modulation index is always over