JEE Main20205 Sep 2020Evening ShiftPhysicsElectromagnetic WavesActual
The correct match between the entries in column I and column II are : I II Radiation Wavelength a Microwave i 100 m b Gamma rays ii 10 - 15 m c A.M. radio iii 10 - 10 m d X–rays iv 10 - 3 m
Options
- A(a)–(ii), (b) – (i), (c) – (iv), (d) – (iii)
- B(a)–(i), (b) – (iii), (c) – (iv), (d) – (ii)
- C(a)–(iii), (b) – (ii), (c) – (i), (d) – (iv)
- 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 fm . (b) X-rays is A 0 (c) Microwave is in mm (d) A. M. radio wave is in m