[" 7.A convex line from a real and inverted image of a needle at a distance of "50cm" from it."],[" Where is the needle placed in front convex line if the image is equal to the size of object? "]

A convex lens forms a real and inverted image of a needle at a distance of 50 cm from it. Where is the needle placed in front of the convec lens if the image is equal to the size of the object ? Also, find power of the lens.

A convex lens from a real and inverted image of a needle at a distance of 50 cm from it. Where is the needle be placed in front of the convex lens if the image is equal to size of the object? Also, find the power of the lens?

A convex lens forms a real and inverted image of a needle at a distance of 50 cm. from it . Where is the niddle placed in front of convex lens if the image is equal to the size of the object? Also , find the power of the lens.