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OPTICS DOUBT PLZ ANSWER IT TODAY BEFORE 4 0 CLOCK
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let the initial istance of the oject frm the mirror e 10 m ......the image will also e at a istance of 10 m ehin the mirror ...i.i the istance etween the oject n the image is 20 m ........
nw after 1 sec ...the man moves 2 m towrs the mirror n the mirror moves 1 m towrs the man so nw the ist ween the oject n the mirror is 7 m n so the istance etween the image n the mirror will also e 7 m i.e the istance ween the man n the image will e 14 m ....
so THE APPARENT SPEED OF IMAGE OF THE MAN AS SEEN BY HIMSELF will e 6 m/s(20-14) ...............
rate if useful ....correct if wrong.... |
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