write the condition for minimum deviation?
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●Light is deflected as it enters a material with refractive index .
●A ray of light is deflected twice in a prism. The sum of these deflections is the deviation angle.
●When the entrance and exit angles are equal, the deviation angle of a ray passing through a prism will be a minimum.
defanations ====>
Refractive index of the prism: The refractive index depends on the material and the wavelength of the light. The larger the refractive index, the larger the deviation angle.
Angle of the prism: The larger the prism angle, the larger the deviation angle.
Angle of incidence: The deviation angle depends on the angle that the beam enters the object, called angle of incidence. The deviation angle first increases with increasing incidence angle, and then it decreases.
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●Light is deflected as it enters a material with refractive index .
●A ray of light is deflected twice in a prism. The sum of these deflections is the deviation angle.
●When the entrance and exit angles are equal, the deviation angle of a ray passing through a prism will be a minimum.
defanations ====>
Refractive index of the prism: The refractive index depends on the material and the wavelength of the light. The larger the refractive index, the larger the deviation angle.
Angle of the prism: The larger the prism angle, the larger the deviation angle.
Angle of incidence: The deviation angle depends on the angle that the beam enters the object, called angle of incidence. The deviation angle first increases with increasing incidence angle, and then it decreases.
HOPE IT HELPS U DEAR ♥♥
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