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Wave Optics — JEE Main & Advanced NSEP PYQs

13 previous year questions from Wave Optics with answers and solutions. Numbered list, year tags, and one-tap solutions — built for serious JEE / NEET practice.

13 questionsNSEPSolutions on every page
1

A slit of width a is illuminated by parallel monochromatic light of wavelength . The value of a at which the first minimum of the diffraction pattern will form at =30^ is

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Initially interference is observed with the entire experimental set up inside a chamber filled with air. Now the chamber is evacuated. With the same source of light used, a careful

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The Hubble telescope in orbit above the earth has a 2.4 m circular aperture. The telescope has equipment for detecting ultraviolet light. The minimum angular separation between two

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Consider the diffraction pattern due to a single slit. The first maximum for a certain monochromatic light coincides with the first minimum for red light of wavelength 660 nm . The

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Which of the following sources emits light having highest degree of coherence?

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Light of wavelength 640 nm falls on a plane diffraction grating with 12000 lines per inch. In the diffraction pattern on a screen kept at a distance of 12 cm from the grating, the

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An unpolarized light of intensity 32 ~W / m ^2 passes through three polarizers, such that the transmission axis of last polarizer is crossed with that of the first. If the intensit

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White light is used to illuminate two slits in Young's double sit experiment. Separation between the two slits is b and the screen is at a distance D( b) from the plane of slits. T

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Select the correct statement(s), out of the following, about diffraction at N parallel slits.

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The distance between two slits in Young's double slits experiment is d =2.5 ~mm and the distance of the screen from the plane of slits is D=120 ~cm . The slits are illuminated with

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In a young's double slit experiment distance between slits is d =1 ~mm , Wavelength of light used is 600 nm and distance of screen from the plane of slits is D =1 ~m . The minimum

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Given that the critical angle of incidence for total internal reflection within a transparent material when placed in air is 45^ . The Brewster's angle of incidence for light propa

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In an experiment with Lummer Gehrecke plate, the two coherent beams of light, caused by multiple reflections inside the transparent plate of refractive index =1.54 , reach the poin

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