CBSE Class 10 Physics Lens Formulae
Q.
A convex lens of focal length 20 cm is placed at a distance of 10 cm from a screen. How far from the lens should an object be placed so as to form its real image on the screen?
Q.
If the magnification produced is +0.5, then the nature of the image is ________ and the nature of the lens is ____________.
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