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Diffraction for GUJCET: 9 solved questions

Real GUJCET paper questions on diffraction, part of wave optics. Each opens with the options, the correct answer and a step-by-step solution. Papers run from 2015 to 2023. No sign-in needed to read them.

What this topic asks

• Single slit diffraction — 9 questions

All 9 questions with solutions

• Light of wavelength λ is incident on a slit of width d. The resulting diffraction pattern is observed on a sc… GUJCET 2015
• A diffraction pattern is formed by blue light. If the blue light is replaced by yellow light, then . GUJCET 2016
• The angular spread of the central maximum in a diffraction pattern does not depend on . GUJCET 2019
• In Fraunhofer diffraction by a single slit the width of the slit is 0.01 cm. If the wavelength of the light i… GSEB Board July 2016
• Which one of the following statements is false? GSEB Board March 2022
• The width of a slit is a. A lens of focal length f is kept just next to the slit. Light of wavelength λ is ma… GSEB Board March 2022
• For which one of the following colours would the width of the diffraction fringe be maximum? GSEB Board July 2022
• A slit of size a is illuminated by a parallel beam of light of wavelength λ. The angle at which this light is… GSEB Board March 2023
• A diffraction pattern is formed with red light. If the red light is replaced by blue light, then . RS Academy GUJCET booklet