Question

magnification produced by biconcave lens is always positive. explain Urgent pls fast

Answer 1

Answer:

Explanation:

Concave lens always forms virtual images, so, magnification produced by concave lens is always positive. A concave lens always forms the image smaller than the object, so \begin{align*}|m|<1\end{align*}

Answer 2

Answer:

the formula for magnification is image height divided by object height

in case of a biconcave lens the image is virtual and erect in every case so the image and object height are positive

therefore the magnification is positive

Explanation:

please watch yesterday's physics video sent by our school to answer it

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