A monochromatic light ray is incident at an angle of 45° on a prism of angle 30° and of refractive index 1.414. What will the angle of deviation be? 15 30 45 60

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Chapter1: Units, Trigonometry. And Vectors
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plz answer both part

A monochromatic light ray is incident at an angle of 45° on a prism of angle
30° and of refractive index 1.414. What will the angle of deviation be?
15°
30°
45°
60°
The image of a point object placed at 12cm from the lens as shown,
coincides with the object. What is the focal length of the lens shown. Will
the result change if the plane mirror is moved closer to the lens?
12 cm
wwwwwww
Transcribed Image Text:A monochromatic light ray is incident at an angle of 45° on a prism of angle 30° and of refractive index 1.414. What will the angle of deviation be? 15° 30° 45° 60° The image of a point object placed at 12cm from the lens as shown, coincides with the object. What is the focal length of the lens shown. Will the result change if the plane mirror is moved closer to the lens? 12 cm wwwwwww
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