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Q. No.A tall man, of height \(6\) feet, wants to see his full image. The required minimum length of the mirror will be:
| 1. | \(12\) feet | 2. | \(3\) feet |
| 3. | \(6\) feet | 4. | Any length |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyChoose the correct mirror image of the figure:
| 1. |  |
2. |  |
| 3. |  |
4. |  |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyTwo plane mirrors, \(A\) and \(B\) are aligned parallel to each other, as shown in the figure. A light ray is incident at an angle of \(30^\circ\) at a point just inside one end of \(A\). The plane of incidence coincides with the plane of the figure. The maximum number of times the ray undergoes reflections (excluding the first one) before it emerges out is:
1. \(28\)
2. \(30\)
3. \(32\)
4. \(34\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAn object is placed \(20\) cm in front of a concave mirror of a radius of curvature \(10\) cm. The position of the image from the pole of the mirror is:
1. \(7.67\) cm
2. \(6.67\) cm
3. \(8.67\) cm
4. \(9.67\) cm
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| Column 1 | Column 2 | ||
| A. | \(m= -2\) | I. | convex mirror |
| B. | \(m= -\frac{1}{2}\) | II. | concave mirror |
| C. | \(m= +2\) | III. | real Image |
| D. | \(m= +\frac{1}{2}\) | IV. | virtual Image |
| A | B | C | D | |
| 1. | I & III | I & IV | I & II | III & IV |
| 2. | I & IV | II & III | II & IV | II & III |
| 3. | III & IV | II & IV | II & III | I & IV |
| 4. | II & III | II & III | II & IV | I & IV |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| 1. | \(f' = f\) |
| 2. | \(f'<f\) |
| 3. | \(f'>f\) |
| 4. | The information is insufficient to predict |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| 1. | \(10\) cm | 2. | \(15\) cm |
| 3. | \(20\) cm | 4. | \(30\) cm |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA thin rod of length \(\frac{f}{3}\) lies along the axis of a concave mirror of focal length \(f\). One end of its magnified, real image touches an end of the rod. The length of the image is:
| 1. | \(f\) | 2. | \(\dfrac{f}{2}\) |
| 3. | \(2f\) | 4. | \(\dfrac{f}{4}\) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe distance between the object and its real image formed by a concave mirror is minimum when the distance of the object from the centre of curvature of the mirror is: [\(f\rightarrow\) focal length of the mirror]
| 1. | Zero | 2. | \(\dfrac{f}{2}\) |
| 3. | \(f\) | 4. | \(2f\) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| 1. | \(\frac{\sqrt{3}}{2} \) | 2. | \(1.5 \) |
| 3. | \(1.732 \) | 4. | \( 2\) |
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