Wave Optics

Subject matter experts of JagranJosh have developed chapter wise practice questions of Class 12th as per the relevancy of the chapter in the CBSE board exam. This practice set contains 10 questions with detailed explanations on “Chapter: Wave Optics” of Physics.

  • Q1.Consider sunlight incident on a slit of width 104 A. The image seen through the slit shall

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  • Q2.In a Young’s double slit experiment, the source is white light. One of the holes is covered by a red filter and another by a blue filter. In this case

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  • Q3.Figure shows a standard two slit arrangement with slits S1, S2. P1, P2 are the two minima points on either side of P .

    At P2 on the screen, there is a hole and behind P2 is a second 2- slit arrangement with slits S3, S4 and a second screen behind them.

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  • Q4.Select the incorrect one.Two source S1 and S2 of intensity I1 and I2 are placed in front of a screen [fig a] .The pattern of intensity distribution seen in the central portion is given by Fig. (b).In this case which of the following statements are true.

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  • Q5.Consider sunlight incident on a pinhole of width 103A. The image of the pinhole seen on a screen shall be

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  • Q6.Consider a ray of light incident from air onto a slab of glass (refractive index n) of width d, at an angle θ. The phase difference between the ray reflected by the top surface of the glass and the bottom surface is

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  • Q7.The human eye has an approximate angular resolution of φ =5.8×10–4 rad and a typical photoprinter prints a minimum of 300 dpi (dots per inch, 1 inch = 2.54 cm). At what minimal distance z should a printed page be held so that one does not see the individual dots.

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