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What do you mean by a focal point? - Physics

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प्रश्न

What do you mean by a focal point?
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उत्तर

A focal point is a principal focus of the mirror where a parallel beam of light meets(or appears to meet) after reflection from the mirror.
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Images Formed by a Plane Mirrors
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 6: Light - Spherical Mirrors [पृष्ठ २५८]

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फ्रँक Physics [English] Class 9 ICSE
पाठ 6 Light
Spherical Mirrors | Q 4 | पृष्ठ २५८
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