SELECT * FROM question_mgmt as q WHERE id=3739 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=9 AND subId=16 AND chapterId=261 and ex_no='1' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 10th science Light - Reflection and Refraction define the principal focus of a concave mirror

Question:

Define the principal focus of a concave mirror.

Answer:

The ray of light  that is parallel to the principal axis of a concave mirror converges at a specific point on its principal axis after reflecting from the mirror. This point is known as the principal focus of the concave mirror.


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  • Answered by Ekta Mehta
  • 4 months ago

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