If the amplitude ratio of two sources producing interference is 3 : 5, the ratio of intensities at maxima and minima is 

(1) 25 : 16

(2) 5 : 3

(3) 16 : 1

(4) 25 : 9

Concept Questions :-

Superposition principle
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For constructive interference to take place between two monochromatic light waves of wavelength λ, the path difference should be 

(1) (2n1)λ4

(2) (2n1)λ2

(3) nλ

(d) (2n+1)λ2

Concept Questions :-

Young Double slit experiment
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Soap bubble appears coloured due to the phenomenon of 

(1) Interference

(2) Diffraction

(3) Dispersion

(4) Reflection

Concept Questions :-

Interference vs Diffraction
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Which of the following statements indicates that light waves are transverse 

(1) Light waves can travel in vacuum

(2) Light waves show interference

(3) Light waves can be polarized

(4) Light waves can be diffracted

Concept Questions :-

Polarization of light
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Interference was observed in interference chamber when the air was present, now the chamber is evacuated and if the same light is used, a careful observer will see

(1) No interference

(2) Interference with bright bands

(3) Interference with dark bands

(4) Interference in which width of the fringe will be slightly increased

Concept Questions :-

Superposition principle
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Ray diverging from a point source form a wave front that is 

(1) Cylindrical

(2) Spherical

(3) Plane

(4) Cubical

Concept Questions :-

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Two coherent sources have intensity in the ratio of 1001. Ratio of (intensity) max/(intensity) min is 

(1) 1100

(2) 110

(3) 101

(4) 32

Concept Questions :-

Superposition principle
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If two waves represented by y1=4sinωt and y2=3sinωt+π3 interfere at a point, the amplitude of the resulting wave will be about 

(1) 7

(2) 6

(3) 5

(4) 3.5

Concept Questions :-

Superposition principle
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Two coherent sources of intensities, I1 and I2 produce an interference pattern. The maximum intensity in the interference pattern will be 

(1) I1 + I2

(2) I12+I22

(3) (I1 + I2)2

(4) (I1+I2)2

Concept Questions :-

Superposition principle
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Two beams of light having intensities I and 4I interfere to produce a fringe pattern on a screen. The phase difference between the beams is π2 at point A and π at point B. Then the difference between the resultant intensities at A and B is 

(1) 2I

(2) 4I

(3) 5I

(4) 7I

Concept Questions :-

Superposition principle
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