Physics-
General
Easy

Question

An object is placed in front of a concave mirror of focal length f as shown if figure. Choose the correct shape of the image :

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  2.    
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The correct answer is:

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A concave mirror of focal length 20cm is cut into two parts from the middle and the two parts are moved perpendicularly by a distance 1cm from the previous principle axis AB. The distance between the images formed by the two parts. If the dbject is kept at a distance of 10cm from the pole of the original principal axis is

A concave mirror of focal length 20cm is cut into two parts from the middle and the two parts are moved perpendicularly by a distance 1cm from the previous principle axis AB. The distance between the images formed by the two parts. If the dbject is kept at a distance of 10cm from the pole of the original principal axis is

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A plane mirror M is arranged parallel to a wall W at a distace l from it. The light produced by a point source 'S' kept on the wall is reflected by the mirror and produces a light spot on the wall. The mirror moves with velocity V towards the wall. Then

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Two plane mirrors of length L are separated by distance L and a man M subscript 2 end subscript is standing at distance L from the connecting line of mirrors as shown in figure. A man M subscript 1 end subscript is walking along a straight line at distance 2L parallel to the mirrors at speed u. Then the man M subscript 2 end subscript at O will be able to see image of M subscript 1 end subscript for total time of

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A luminous point source ' s ' is placed between a plane mirror and a screen in the situation as shown in figure. Then the length of screen which will receive direct light as well as reflected lightis

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