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JEE Main Physics Class 12 Wave Optics Part 2 Questions
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Question : 49
Total: 58
In free space, an electromagnetic wave of
3
GHz
frequency strikes over the edge of an object of size
λ
100
, where
λ
is the wavelength of the wave in free space. The phenomenon, which happens there will be :
[26-Jun-2022-Shift-1]
Reflection
Refraction
Diffraction
Scattering
Validate
Solution:
a
λ
=
1
100
For reflection size of obstacle must be much larger than wavelength, for diffraction size should be order of wavelength.
Since the object is of size
λ
100
, much smaller than wavelength, so scattering will occur.
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