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Two plane mirrors are lying perpendicular to each other, there is lamp in between mirrors. Then number of images of lamp will be

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Important Questions on Ray Optics

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Beta Question Bank for Medical: Physics>Chapter 30 - Ray Optics>Exercise (Conceptual Questions)>Q 4
A man runs towards stationary plane mirror at a speed of 15 m/s. What is the speed of his image with respect to mirror?
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Beta Question Bank for Medical: Physics>Chapter 30 - Ray Optics>Exercise (Conceptual Questions)>Q 5

Figure shows two plane mirrors parallel to each other and an object O placed between them. Then the distance of the first three images from the mirror M2 will be : (in cm)

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Beta Question Bank for Medical: Physics>Chapter 30 - Ray Optics>Exercise (Conceptual Questions)>Q 6
A ray gets succesively reflection from two mirrors inclined at an angle of 40°. If the angle of incidence on the first mirror is 30° then the net deviation of this ray after two reflections.
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Beta Question Bank for Medical: Physics>Chapter 30 - Ray Optics>Exercise (Conceptual Questions)>Q 7
A tall man of height 6 ft, want to see his full image. The required minimum length of the mirror will be:-
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Beta Question Bank for Medical: Physics>Chapter 30 - Ray Optics>Exercise (Conceptual Questions)>Q 8
A man is 180 cm tall and his eyes are 10 cm below the top of his head. In order to see this entire height right from top to head, he uses a plane mirror kept at a distance of 1 m from him. The minimum length of the plane mirror is
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Beta Question Bank for Medical: Physics>Chapter 30 - Ray Optics>Exercise (Conceptual Questions)>Q 9
Two plane mirrors are inclined at an angle of 60° to each other. If an object is placed between them, then the number of images produced will be
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Beta Question Bank for Medical: Physics>Chapter 30 - Ray Optics>Exercise (Conceptual Questions)>Q 10
The focal length of a concave mirror is 50 cm. Where an object be placed, so that its image is two times and inverted?
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Beta Question Bank for Medical: Physics>Chapter 30 - Ray Optics>Exercise (Conceptual Questions)>Q 11
An object of size 7.5 cm is placed in front of a convex mirror of radius of curvature 25 cm at a distance of 40 cm.The size of the image should be