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189
Take two plane mirrors. Set them at right angles to each other with their edges touching (...
By Priya123, 4 years ago
replies 1
0
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120
Imagine that parallel rays are incident on an irregular surface as shown in Fig. Remember ...
By Priya123, 4 years ago
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1
193
A source of light O is placed in front of a plane mirror PQ. Two rays OA and OC are incide...
By Priya123, 4 years ago
replies 1
0
1
146
Perform Activity again. This time use a sheet of stiff paper or a chart paper. Let the she...
By Priya123, 4 years ago
replies 1
0
1
168
Fix a white sheet of paper on a drawing board or a table. Take a comb and close all its op...
By Priya123, 4 years ago
replies 1
0
1
108
Find out the position of the image of an object situated at A in the plane mirror Fig. (b)...
By Priya123, 4 years ago
replies 1
0
1
114
Boojho stands at A just on the side of a plane mirror as shown in Fig. Can he see himself ...
By Priya123, 4 years ago
replies 1
0
1
122
Two mirrors meet at right angles. A ray of light is incident on one at an angle of 30° as ...
By Priya123, 4 years ago
replies 1
0
1
120
How many images of a candle will be formed if it is placed between two parallel plane mirr...
By Priya123, 4 years ago
replies 1
0
1
101
What is the angle of incidence of a ray if the reflected ray is at an angle of 90° to the ...
By Priya123, 4 years ago
replies 1
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