Anil and his friends were excited about the news of tomorrow’s solar eclipse. Anil convinced
his friends to witness the eclipse. Anil told them that looking at the sum directly or even into a
mirror reflecting sunlight may damage their eyes. So Anil narrated the method to witness to
natural phenomenon in the following ways:
(i) Hold a concave mirror in hands and direct its reflecting surface towards the sun.
(ii) Direct the light reflected by the mirror on to a sheet of paper held close to the mirror.
(iii) Move the sheet of paper back and forth gradually until a bright, sharp spot of light found
on the paper sheet, hold the mirror and the paper in the same position for a few minutes.
Read the above information and answer the following:
(a) What is the separation between the concave mirror and the paper sheet having a bright,
sharp spot of light in hands?
(b) What value(s) is/are shown by Anil?
(c) Draw the ray diagram used while observing the bright, sharp spot of light in above activity.
[Value Based Question]
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that he brings hdit song through kushi brings Nehru begged bhi
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