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Q monochromatic light is refracted from air into a medium of refractive index n. The ratio of the wavelengths of the incident and refracted waves is...

Q if two plane mirrors are inclined at 60 degree then how many number of images formed by the object placed between these two mirrors...

1.  when light falls on a surface which irregular compared to its wavelength   a.  the reflection is diffuse b.  glare is produced c.  the wavelength is refracted d...

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