Electromagnetic Waves

JEE Main level, single correct, medium

43 of 165

Question 43 of 165

Match List-I with List II of Electromagnetic waves with corresponding wavelength range: List I List II (A) Microwave (I) 400nm400nm to 1nm1nm (B) Ultraviolet (II) 1nm1nm to 10–3nm{10}^{–3}nm (C) XX-Ray (III) 1mm1mm to 700nm700nm (D) Infra-red (IV) 0.1m0.1m to 1mm1mm Choose the correct answer from the options given below:

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Answer: (A) (A)−(IV),(B)−(I),(C)−(II),(D)−(III)\left(A\right)-\left(IV\right),\left(B\right)-\left(I\right),\left(C\right)-\left(II\right),\left(D\right)-\left(III\right)

The electromagnetic spectrum is the range of all types of EM radiation. Radiation is energy that travels and spreads out with different energies. In the daily life, two commonly known EM waves are the light wave and the radio wave.
The other types of EM radiation that make up the electromagnetic spectrum are microwaves, infrared light, ultraviolet light, X-rays and gamma-rays.
The wavelengths of different parts of the electromagnetic spectrum are related by the following relation:
λX<λUV<λIR<λMW{\lambda }_{X}\lt {\lambda }_{UV}\lt {\lambda }_{IR}\lt {\lambda }_{MW}

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