Applications of EM waves
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JEE Main 2014
LEVELBoard
Match List I (Electromagnetic wave type) with List II (Its association/application) and select the correct option from the choices given below the lists.
(A)
A 4, B 3, C 2, D 1
(B)
A 1, B 2, C 4, D 3
(C)
A 3, B 2, C 1, D 4
(D)
A 1, B 2, C 3, D 4
JEE Main 2021
LEVELJEE Main
Match List-I with List-II. \begin{array}{ll} \text{\textbf{List-I}} & \text{\textbf{List-II}} \\ \text{A. Source of microwave frequency} & \text{1. Radioactive decay of nucleus} \\ \text{B. Source of infrared frequency} & \text{2. Magnetron} \\ \text{C. Source of gamma rays} & \text{3. Inner shell electrons} \\ \text{D. Source of X-rays} & \text{4. Vibration of atoms and molecules} \\ & \text{5. LASER} \\ & \text{6. R-C circuit} \end{array} Choose the correct answer from the options given below.
(A)
A 6, B 4, C 1, D 5
(B)
A 6, B 5, C 1, D 4
(C)
A 2, B 4, C 6, D 3
(D)
A 2, B 4, C 1, D 3