Optics Question 230
Question: To observe diffraction the size of an obstacle
[CPMT 1982]
Options:
A) Should be of the same order as wavelength
B) Should be much larger than the wavelength
C) Have no relation to wavelength
D) Should be exactly $ \frac{\lambda }{2} $
Show Answer
Answer:
Correct Answer: A
Solution:
Should be of the same order as wavelength