Question

3) What are the characteristics of the image formed when the object is placed at​

Answer 1

Answer:

In case of object placed at focus the rays of light reflected from the surface of object will be diverging in nature. These rays will be incident on the surface of concave mirror, get reflected and converge at the focus. Since object is already at focus the image will be on the focus but not visible.

Explanation:

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Answer 2

⭐ Characteristics of the image formed by concave lens when the object is placed at infinity.

1. Virtual image
2. Erect image
3. Diminished image
4. Image formed at focus.

*️⃣ Characteristics of the image formed by concave mirror when the object is placed at the center of curvature.

1. Real image
2. Inverted image
3. Same as the object
4. Image formed at the center of curvature.