An object 4.0cm in size ,is …

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An object 4.0cm in size ,is placed at 25.0cm in front of a concave mirror of focal length 15.0cm .At what distance from the mirror should a screen be placed in order to obtain a sharp image ? Find the nature &the size of the image ?

Posted by Kanta Sharma 5 years, 5 months ago

CBSE > Class 10 > Science

4 answers

? Pranali.A.P ? 5 years, 5 months ago

The image formed is real , inverted ( because h' is negative ) and inlarge in size . v= -37.5cm ... And .... h'= -6.0 cm

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? Pranali.A.P ? 5 years, 5 months ago

Sorry answer wrong hai

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? Pranali.A.P ? 5 years, 5 months ago

Not so Shure ?

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? Pranali.A.P ? 5 years, 5 months ago

The screen should be placed at a distance of 37.5 cm on the object side of the mirror, to obtain a sharp image of the object. The image formed is real, inverted (because h' is negative) and enlarged in size. A concave lens of focal length 15 cm forms an image 10 cm from the lens.

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CBSE > Class 10 > Science