Ques 1-:
Topic -: Sound
Institute level
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Ques 2-:
Topic-: Light
Level-: Institute
A man is at 20 m from a plane mirror. if he move towards the mirror with a speed of 3 m/s, then what will be the distance between image of the man and the actual man after 3 s ?
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bdhdjdndhd dbdbd nd dj n n b v c j f j g j f l d o
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