Home Physics Wave Optics Telangana & AP CET Previous Year Question When Young's double slit experiment is perfo…
Physics Wave Optics Telangana & AP CET Previous Year Question MCQ (Single Correct)

When Young's double slit experiment is performed in air, the -coordinates of central maxima and maxima are and respectively. If the apparatus is immersed in a liquid of refractive index 1.5, the corresponding Y-coordinates will be

A
B

C
D

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The correct answer is:
C

For YDSE apparatus in air

For central maxima

………(i)

For maxima

From equation (i), we have

Now, when the YDSE apparatus is immersed in a liquid of refractive index 1.5 , then it's wave length
As the y coordinate of central maximum doesn't depend upon wavelength, therefore it will remain same as in air,
For maxima

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