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MHT CET Physics question

PhysicsWave OpticsMHT CET

In a double slit interference experiment, the fringe width obtained with a light of wavelength 5900 Å for parallel narrow slits placed 2 mm apart was 1.2 mm. In this arrangement, if the slit separation is increased by one and half times the previous value, then the fringe width is

Answer: (B)

Solution

Fringe width ; with , mm; 0.9 mm,

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Question ID VK-077323