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
Subtopic:  Reflection at Plane Surface |
85%
From NCERT
AIPMT - 2000
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Choose the correct mirror image of the figure:

 1 2 3 4
Subtopic:  Reflection at Plane Surface |
77%
From NCERT
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Two 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. $$34$$

Subtopic:  Reflection at Plane Surface |
72%
From NCERT
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Light of wavelength $$5000~\mathring{A}$$ falls on a plane reflecting surface. For what angle of incidence is the reflected ray normal to the incident ray?
1. $$37^{\circ}$$
2. $$45^{\circ}$$
3.
$$90^{\circ}$$
4. $$0^{\circ}$$

Subtopic:  Reflection at Plane Surface |
65%
From NCERT
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A plane mirror approaches a stationary person with acceleration of $$10$$ ms–2. The acceleration of his image as seen by the person, will be:
 1 $$10$$ m/s2 2 $$20$$ m/s2 3 $$5$$ m/s2 4 can't be determined
Subtopic:  Reflection at Plane Surface |
66%
From NCERT
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A point source of light $$B$$ is placed at a distance $$L$$ in front of the centre of a mirror of width $$d$$ hung vertically on a wall. A man $$(A)$$ walks in front of the mirror along a line parallel to the mirror at a distance $$2L$$ from it as shown. The greatest distance over which he can see the image of the light source in the mirror is:

1. $$\frac{d}{2}$$
2. $$d$$
3. $$2d$$
4. $$3d$$

Subtopic:  Reflection at Plane Surface |
58%
From NCERT
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A car is moving on a straight road at a speed of $$50$$ km/h and a truck is ahead of the car and has a large plane mirror fixed vertically on the back of the truck. The truck is running at a speed of $$70$$ km/h. For a stationary observer standing between the car and the truck, what is the speed of the image of the car in the mirror?
 1 $$40$$ km/h 2 $$70$$ km/h 3 $$20$$ km/h 4 $$90$$ km/h
Subtopic:  Reflection at Plane Surface |
55%
From NCERT
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Image formed by a plane mirror is:
 1 real 2 virtual 3 depends on the nature of the object 4 none of these

Subtopic:  Reflection at Plane Surface |
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An 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

Subtopic:  Reflection at Spherical Surface |
90%
From NCERT
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An object is at a distance of $$30$$ cm in front of a concave mirror of focal length $$10$$ cm. The image of the object will be:
 1 smaller in size. 2 inverted. 3 between the focus and centre of curvature. 4 All of the above.
Subtopic:  Reflection at Spherical Surface |
86%
From NCERT
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