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Question
The bending of a beam of light around corners of obstacle is called ______
Options
Reflection
Diffraction
Refraction
Interference
Solution
The bending of a beam of light around the corners of the obstacle is called Diffraction.
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What is the diffraction of light? How does it differ from interference? What are Fraunhofer and Fresnel diffractions?
What should be the slit width to obtain pronounced diffraction with a single slit illuminated by the light of wavelength λ?
Explain Fraunhofer diffraction at a single slit with a neat ray diagram. Obtain an expression for the width of the central bright fringe.
In biprism experiment, the distance between source and eyepiece is 1.2 m, the distance between two virtual sources is 0.84 mm. Then the wavelength of light used if eyepiece is to be moved transversely through a distance of 2.799 cm to shift 30 fringes is ______.
A diffraction is obtained by using a beam of yellow light. What will happen if the yellow light is replaced by the red light?
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Select the CORRECT statement from the following.
The first minimum of a single slit diffraction pattern is observed at angle 2° with a light of wavelength 510 nm. The width of this slit is ____________.
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`[cos60^circ = sin30^circ 1/2]`
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