A tall man, of height 66 feet, wants to see his full image. The required minimum length of the mirror will be:

1. 1212 feet 2. 33 feet
3. 66 feet 4. Any length
Subtopic:  Reflection at Plane Surface |
 86%
From NCERT
AIPMT - 2000
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The correct mirror image of the figure is:
       

1. 2.
3. 4.
Subtopic:  Reflection at Plane Surface |
 79%
From NCERT
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Two plane mirrors, AA and BB are aligned parallel to each other, as shown in the figure. A light ray is incident at an angle of 3030 at a point just inside one end of A.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. 2828                     
2. 3030
3. 3232         
4. 3434

Subtopic:  Reflection at Plane Surface |
 73%
From NCERT
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Light of wavelength 5000 ˚A5000 ˚A falls on a plane reflecting surface. For what angle of incidence is the reflected ray normal to the incident ray?
1. 3737
2. 4545
3. 9090
4. 00

Subtopic:  Reflection at Plane Surface |
 66%
From NCERT
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A plane mirror approaches a stationary person with acceleration of 1010 ms–2. The acceleration of his image as seen by the person, will be:
1. 1010 m/s2 
2. 2020 m/s2
3. 55 m/s2 
4. can't be determined
Subtopic:  Reflection at Plane Surface |
 68%
From NCERT
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A point source of light BB is placed at a distance LL in front of the centre of a mirror of width dd hung vertically on a wall. A man (A)(A) walks in front of the mirror along a line parallel to the mirror at a distance 2L2L from it as shown. The greatest distance over which he can see the image of the light source in the mirror is:
                         
1. d2d2
2. dd
3. 2d2d
4. 3d3d

Subtopic:  Reflection at Plane Surface |
 59%
From NCERT
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A car is moving on a straight road at a speed of 5050 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 7070 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. 4040 km/h 2. 7070 km/h
3. 2020 km/h 4. 9090 km/h
Subtopic:  Reflection at Plane Surface |
 56%
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 |
From NCERT
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An object is placed 20 cm20 cm in front of a concave mirror of a radius of curvature 10 cm.10 cm. The position of the image from the pole of the mirror is:
1. 7.67 cm7.67 cm
2. 6.67 cm6.67 cm
3. 8.67 cm8.67 cm
4. 9.67 cm9.67 cm

Subtopic:  Reflection at Spherical Surface |
 91%
From NCERT
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An object is at a distance of 3030 cm in front of a concave mirror of focal length 1010 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 |
 87%
From NCERT
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