Ex. 87 Light of wavelength 4800 Å from a distance source falls on a slit 0.3 mm wide. What is the distance between two dark bands on each side of central band of the diffraction pattern observed on a screen placed 1 m form the screen.

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Ex. 87 Light of wavelength 4800 Å from a
distance source falls on a slit 0.3 mm wide.
What is the distance between two dark bands
on each side of central band of the diffraction
pattern observed on a screen placed 1 m form
the screen.
Transcribed Image Text:Ex. 87 Light of wavelength 4800 Å from a distance source falls on a slit 0.3 mm wide. What is the distance between two dark bands on each side of central band of the diffraction pattern observed on a screen placed 1 m form the screen.
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