5. Explain an activity to show the formation of images by a convex lens when object is placed at different position in front of it.
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Answer:
When object is placed at infinity then incident light rays are parallel to principal axis and they will converge at focal point of lens.

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Answer:
आप किसी और से पूछिए मुझे नहीं पता
Explanation:
सॉरी पॉइंट कमाने के लिए ऐसा ही करना पड़ता है
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