Question

To observe diffraction, the size of an obstacle
(a) should be of the same order as wavelength
(b) should be much larger than the wavelength
(c) has no relation to wavelength
(d) should be exactly half of wavelength​

Answer 1

Explanation:

To observe diffraction, the size of an obstacle

(a) should be of the same order as wavelength

(b) should be much larger than the wavelength

(c) has no relation to wavelength

(d) should be exactly half of wavelength

ans d) should be exactly half of wavelength