Optics Question 1095

Question: In a biprism experiment, by using light of wavelength 5000 Å, 5 mm wide fringes are obtained on a screen 1.0 m away from the coherent sources. The separation between the two coherent sources is

[MP PMT/PET 1998]

Options:

A) 1.0 mm

B) 0.1 mm

C) 0.05 mm

D) 0.01 mm

Show Answer

Answer:

Correct Answer: B

Solution:

d=Dλβ=1×5×1075×103=104m=0.1 mm .



NCERT Chapter Video Solution

Dual Pane