JEE PYQ: Electromagnetic Waves Question 7
Question 7 - 2021 (24 Feb 2021 Shift 2)
Match List - I with List - II.
List - I: (a) Source of microwave frequency, (b) Source of infrared frequency, (c) Source of Gamma Rays, (d) Source of X-rays
List - II: (i) Radioactive decay of nucleus, (ii) Magnetron, (iii) Inner shell electrons, (iv) Vibration of atoms and molecules, (v) LASER, (vi) RC circuit
(1) (a)-(ii), (b)-(iv), (c)-(i), (d)-(iii)
(2) (a)-(vi), (b)-(iv), (c)-(i), (d)-(v)
(3) (a)-(ii), (b)-(iv), (c)-(vi), (d)-(iii)
(4) (a)-(vi), (b)-(v), (c)-(i), (d)-(iv)
Show Answer
Answer: (1)
Solution
(a) Microwave — Magnetron (ii), (b) Infrared — Vibration of atoms and molecules (iv), (c) Gamma Rays — Radioactive decay of nucleus (i), (d) X-rays — Inner shell electrons (iii).