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JEE Main 20205 SeptemberEvening Shift
Exam
JEE Main
Year
2020
Date
5 September
Shift
Evening Shift
Subject
Physics
Chapter
Electromagnetic Waves

JEE Main 2020 · 5 September · Evening Shift · Physics · Electromagnetic Waves

The correct match between the entries in column I and column II are...

The correct match between the entries in column I and column II are :

I II
Radiation Wavelength
a Microwave i 100m100m
b Gamma rays ii 10−15m{10}^{- 15}m
c A.M. radio iii 10−10m{10}^{- 10}m
d X–rays iv 10−3m{10}^{- 3}m

Options

  1. A(a)–(ii), (b) – (i), (c) – (iv), (d) – (iii)
  2. B(a)–(i), (b) – (iii), (c) – (iv), (d) – (ii)
  3. C(a)–(iii), (b) – (ii), (c) – (i), (d) – (iv)
  4. D(a)–(iv), (b) – (ii), (c) – (i), (d) – (iii)

Correct answer

D. (a)–(iv), (b) – (ii), (c) – (i), (d) – (iii)

Step-by-step solution

According to the EM Wave Spectrum, wavelength range for,

(a) Gamma-rays is fmfm.

(b) X-rays is A0{A}^{0}

(c) Microwave is in mmmm

(d) A. M. radio wave is in mm

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