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  3. 1 2 a boy is 1 8 m tall and can see his image in..

1 2 A boy is 1 8 m tall and can see his image in...

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Physics

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1 2 A boy is 1 8 m tall and can see his image in a plane mirror fixed on a wall His eyes are 1 6 m from the floor level The minimum length of the mirror to see his full image is 1 0 9 m 2 0 85 m 3 0 8 m 4 can t be determined An object shaped as L is placed between two parallel plane mirrors as shown In the first seven closest images how many laterally inverted images are formed 1 1 4 4 14 2 2 3 3 A plane mirror is placed horizontally on level ground at a distance of 60 m from the foot of a tower Light rays from the top of tower falling just on the edge of the mirror suffers a deviation of 90 The height of the tower is 1 30 m 2 60 m 3 90 m 4 120 m A plane mirror makes an angle of 30 with the horizontal If a vertical ray strikes the mirror find the angle between the mirror and the reflected ray Figure shows the plane top view of a cubical room with the wall CD as a plane mirror each side of the room is 3 metres in length A camera P is placed at the mid point of the wall AB At what distance should the camera be focused A P O B

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