Identify the electromagnetic waves as per their following use/ applications.

(A) $λ_1$ is used to produce heating effect
(B) $λ_2$ is used in satellite communication
(C) $λ_3$ is absorbed by the ozone layer
(D) $λ_4$ is used for studying crystal structure

Choose the correct answer from the options given below:

(A) Infrared, (B) Microwave, (C) Ultraviolet, (D) X-rays

The correct answer is Option (3) → (A) Infrared, (B) Microwave, (C) Ultraviolet, (D) X-rays

(A) λ₁ → Infrared : These waves are used to produce heating effects in microwave ovens and also for radar communication, as they can cause molecular vibrations in water molecules leading to heat generation.

(B) λ₂ → Microwave : These waves are used in satellite and television communication because they can travel long distances through the atmosphere without significant attenuation.

(C) λ₃ → Ultraviolet rays : These rays are absorbed by the ozone layer present in the Earth's stratosphere, preventing harmful radiation from reaching the surface.

(D) λ₄ → X-rays : These are used for studying crystal structure in X-ray crystallography, as their wavelengths are comparable to interatomic spacings in crystals.