TS EAMCET 7 May 2018 Shift 1 Solved Paper

Section: Physics

Question : 104 of 160

Marks: +1, -0

A light beam of wavelength 800nm passes through a single slit and projected on a screen kept at 5m away from the slit. What should be the slit-width for the ray-optics approximation to be valid.

0.5 mm
2 mm
1.5 mm
0.25 mm

Validate

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