Wave Optics (NEST (National Entrance Screening Test) Physics): Questions 1 - 1 of 5

Visit this page to view all the question topics

To view these problems with solutions proceed here and click "Subscribe Now".

Question number: 1

» Wave Optics » Interference

Appeared in Year: 2007

MCQ▾

Question

In a double slit experiment, two identical point sources are placed on the line perpendicular to the two slits and as shown. (The figure is not to scale. The screen is placed far away compared to the distance between the slits. )

Quadrilateral poly1 Quadrilateral poly1: Polygon I, J, K, LSegment f Segment f: Segment [A, B] Segment g Segment g: Segment [C, D] Segment h Segment h: Segment [E, F] Segment i Segment i: Segment [G, H] Segment i_1 Segment i_1: Segment [I, J] of Quadrilateral poly1Point M Point M: Point on iPoint M Point M: Point on iPoint N Point N: Point on iPoint N Point N: Point on iScreen text1 = “Screen”Screen text1 = “Screen”Screen text1 = “Screen”Screen text1 = “Screen”Screen text1 = “Screen”Screen text1 = “Screen”P text1_1 = “P”Q text1_2 = “Q”S_2 text1_3 = “S_2”S_2 text1_3 = “S_2”S_1 text1_4 = “S_1 “S_1 text1_4 = “S_1 “

When only is switched on, there is an interference pattern with a peak intensity . When only is switched on, there is an interference pattern with peak intensity . When both and are switched on –

Choices

Choice (4) Response

a.

The intensity on the screen will vary from to .

b.

The intensity on the screen will vary from to .

c.

The intensity on the screen will vary from to

d.

There will be a uniform intensity on the screen.

To view these problems with solutions proceed here and click "Subscribe Now".