After Refraction Through a Concave Lens Emerges Parallel to the Principal Axis.Draw Ray Diagram to Show Incident Ray and Its Corresponding Emergent Ray. the Principal Axis at a Point. Name the Point. - Physics

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A ray of light, after refraction through a concave lens emerges parallel to the principal axis. (a) draw a ray diagram to show the incident ray and its corresponding emergent ray. (b) The incident ray when produces meets the principal axis at a point. Name the point.

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Solution

(b) The point where incident ray when produced meets the principal axis is called first focus.

 

Concept: Concave Lens
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Chapter 5: Refraction through a Lens - Exercise 5 (A) 1 [Page 109]

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Selina Concise Physics Class 10 ICSE
Chapter 5 Refraction through a Lens
Exercise 5 (A) 1 | Q 17 | Page 109

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