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Q. No.Given below are two statements:
| Statement I: | Image formation needs regular reflection and/or refraction. |
| Statement II: | The variety in colour of objects we see around us is due to the constituent colours of the light incident on them. |
| 1. | Statement I is correct but Statement II is incorrect. |
| 2. | Statement I is incorrect but Statement II is correct. |
| 3. | Both Statement I and Statement II are correct. |
| 4. | Both Statement I and Statement II are incorrect. |
Subtopic: Reflection at Plane Surface |
63%
Level 2: 60%+
NEET - 2024
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Two plane mirrors are inclined at \(70^\circ.\) A ray incident on one mirror at an angle \(\theta\) after reflection falls on the second mirror and is reflected from there parallel to the first mirror. The value of \(\theta\) is:
| 1. | \(45^\circ\) | 2. | \(30^\circ\) |
| 3. | \(55^\circ\) | 4. | \(50^\circ\) |
Subtopic: Reflection at Plane Surface |
54%
Level 3: 35%-60%
NEET - 2013
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The graph that shows the correct variation of \(\dfrac{1}{v}\) with \(\dfrac{1}{u}\) for a concave mirror, where \(u\) is the object distance and \(v\) is the image distance, is:
| 1. |  |
2. |  |
| 3. |  |
4. |  |
Subtopic: Reflection at Spherical Surface |
53%
Level 3: 35%-60%
NEET - 2024
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An object is placed on the principal axis of a concave mirror at a distance of \(1.5f\) (\(f\) is the focal length). The image will be at:
| 1. | \(-3f\) | 2. | \(1.5f\) |
| 3. | \(-1.5f\) | 4. | \(3f\) |
Subtopic: Reflection at Spherical Surface |
70%
Level 2: 60%+
NEET - 2020
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An object is placed at a distance of \(40~\text{cm}\) from a concave mirror of a focal length of \(15~\text{cm}.\) If the object is displaced through a distance of \(20~\text{cm}\) towards the mirror, the displacement of the image will be:
| 1. | \(30~\text{cm}\) away from the mirror. |
| 2. | \(36~\text{cm}\) away from the mirror. |
| 3. | \(30~\text{cm}\) towards the mirror. |
| 4. | \(36~\text{cm}\) towards the mirror. |
Subtopic: Reflection at Spherical Surface |
76%
Level 2: 60%+
NEET - 2018
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Match the corresponding entries of Column-I with Column-II.
(Where \(m\) is the magnification produced by the mirror)
Codes:
(Where \(m\) is the magnification produced by the mirror)
| Column-I | Column-II | ||
| 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 |
Codes:
| 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 |
Subtopic: Reflection at Spherical Surface |
77%
Level 2: 60%+
NEET - 2016
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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. \(10~\text{cm}\)
Subtopic: Reflection at Spherical Surface |
70%
Level 2: 60%+
AIPMT - 2012
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The time taken by sunlight to pass through a glass slab of thickness \(5~\text{mm}\) and refractive index \(1.5\) is:
| 1. | \(\left(\dfrac{5}{3}\right) \times 10^{-8}~\text{s}\) | 2. | \(\left(\dfrac{5}{2}\right) \times 10^{-11}~\text{s}\) |
| 3. | \(\left(\dfrac{5}{3}\right) \times 10^{-11}~\text{s}\) | 4. | \(\left(\dfrac{5}{2}\right)\times 10^{-8}~\text{s}\) |
Subtopic: Refraction at Plane Surface |
74%
Level 2: 60%+
NEET - 2024
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An air bubble in a glass slab with a refractive index \(1.5\) (near-normal incidence) is \(5~\text{cm}\) deep when viewed from one surface and \(3~\text{cm}\) deep when viewed from the opposite surface. The thickness (in \(\text{cm}\)) of the slab is:
| 1. | \(8\) | 2. | \(10\) |
| 3. | \(12\) | 4. | \(16\) |
Subtopic: Refraction at Plane Surface |
77%
Level 2: 60%+
NEET - 2016
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Which set of colours would be observed in the air under the conditions depicted in the figure?
| 1. | yellow, orange, and red | 2. | blue, green, and yellow |
| 3. | orange, red, and violet | 4. | all of the above |
Subtopic: Total Internal Reflection |
75%
Level 2: 60%+
NEET - 2023
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