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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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Important Questions on Ray Optics

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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
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Beta Question Bank for Medical: Physics>Chapter 30 - Ray Optics>Exercise (Conceptual Questions)>Q 12
A square of side 3 cm is placed at a distance of 25 cm from a concave mirror of focal length 10 cm. The centre of the square is at the axis of the mirror, and the plane is normal to the axis. The area enclosed by the image of the square is
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Beta Question Bank for Medical: Physics>Chapter 30 - Ray Optics>Exercise (Conceptual Questions)>Q 13
The focal length of a concave mirror is 12 cm. Where should an object of length 4 cm be placed, so that a real image of 1 cm length is formed ?
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Beta Question Bank for Medical: Physics>Chapter 30 - Ray Optics>Exercise (Conceptual Questions)>Q 14
An object is lying at a distance of 90 cm from a concave mirror of focal length 30 cm. The position and nature of image formed by it will be