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In Young’s double slit experiment, light from two identical sources are superimposing on a screen. The path difference between the two lights reaching at a point on the screen is 4 7 λ . The ratio of intensity of fringe at this point with respect to the maximum intensity of the fringe is :

1. 3 1
2. 4 1
3. 4 3
4. 2 1 CAREER POINT CAREER POINT Ltd., CP Tower, IPIA, Road No.1, Kota (Raj.), Ph: 081-47250011 www.careerpoint.ac.in 7 JEE Main Online Paper

Correct answer: 2 1 CAREER POINT CAREER POINT Ltd., CP Tower, IPIA, Road No.1, Kota (Raj.), Ph: 081-47250011 www.careerpoint.ac.in 7 JEE Main Online Paper

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