- 1(current)
Q. No.A rod of length \(10~\text{cm}\) lies along the principal axis of a concave mirror of focal length \(10~\text{cm}\) in such a way that its end closer to the pole is \(20~\text{cm}\) away from the mirror. The length of the image is:
1. \(15~\text{cm}\)
2. \(2.5~\text{cm}\)
3. \(5~\text{cm}\)
4. \(10~\text{cm}\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| 1. | \(30\) cm away from the mirror. |
| 2. | \(36\) cm away from the mirror. |
| 3. | \(30\) cm towards the mirror. |
| 4. | \(36\) cm towards the mirror. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySuppose that the lower half of the concave mirror’s reflecting surface in the given figure is covered with an opaque (non-reflective) material. What effect will this have on the image of an object placed in front of the mirror?
| 1. | the image will show only half of the object |
| 2. | the image will show the whole of the object |
| 3. | the intensity of the image will be low |
| 4. | both (2) and (3) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
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