Department of Pre-University Education, KarnatakaPUC Karnataka Science Class 12
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If the Light Moving in a Straight Line Bends by a Small but Fixed Angle, It May Be a Case of - Physics

Short Note

If the light moving in a straight line bends by a small but fixed angle, it may be a case of 
(a) reflection
(b) refraction
(c) diffraction
(d) dispersion.

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Solution

(a) reflection
(b) refraction

When the light strikes on a surface nearly parallel to it, it then bends by a small and fixed angle after reflection. Also, when the light travels from one medium to another with slight differences in their refractive indices, it bends by a small angle. Thus, the bending of light by a small but fixed angle can be the case of either reflection or refraction.

Concept: Refraction
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APPEARS IN

HC Verma Class 11, 12 Concepts of Physics 1
Chapter 18 Geometrical Optics
MCQ | Q 1 | Page 412
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