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An object 4 cm in size …

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An object 4 cm in size is placed 25 CM away from the concave mirror whose focal length is 15 CM find the nature size and position of the image

Posted by Kunal Kishore 4 years, 11 months ago

CBSE > Class 10 > Science

2 answers

Ankur Mishra 4 years, 11 months ago

H= 4cm U=-25 cm F=-15cm V=? m=? By mirror formula 1/f=1/v+1/u 1/-15cm= 1/v+ 1/-25cm 1/-15cm-1/-25cm= 1/v Bs karke aage ka nikal liyo

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Sant Singh 4 years, 11 months ago

Given: h° = 4 cm u = -25 cm f = -15 cm Using mirror formula 1/f = 1/v +1/u 1/-15 = 1/-25 + 1/v v = -35.5 cm m = -v/u = hi/h° m = -(-37.5)/-25 = hi/4 hi = 150/25 hi = 6 Hence, nature of image is real and inverted and image is magnified

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Posted by Pandey Ji 6 months, 1 week ago

CBSE > Class 10 > Science