A film projector magnifies a `100cm^(2)` film strip on a screen. If the linear magnification is 4, the area of the magnified film on the screen is

A film projector magnifies a 100 cm^2 film strip on a screen.If the linear magnification is 4,the area of the magnified film on teh screen is

A slide projector gives a magnification of 10. If a slide of dimensions 3 cm xx 2 cm is projected on the screen, the area of the image on the screen is :

A convex lens is used to obtain a magnified image of an object on a screen 10 m from the lens .If the magnification is 19,find the foal length of the lens.

A small object is placed at distance of 3.6 cm from a magnifier of focal length 4.0 cm. a. find the position of theimage. B. find the linear magnification c. Find the angular magnification.

A small object is placed at distance of 3.6 cm from a magnifier of focal length 4.0 cm. a. find the position of theimage. B. find the linear magnification c. Find the angular magnification.

A small object is placed at distance of 3.6 cm from a magnifier of focal length 4.0 cm. a. find the position of theimage. B. find the linear magnification c. Find the angular magnification.