Question

In: Physics

A 1.8-cm-tall object is 3.1 cm to the left of a diverging lens with a focal...

A 1.8-cm-tall object is 3.1 cm to the left of a diverging lens with a focal length of -3.1 cm. A converging lens with a focal length of 4.6 cm is distance d to the right of the first lens. a) For what value of d is the image at infinity? b) What is the angular size of the image as seen by looking through the converging lens? ?c) What is the angular magnification of this two-lens magnifier?

Solutions

Expert Solution

Using lense formula

So image distance for the first lens is -1.55 cm

Object distance for conversing lens will be

using lens formula

So the distance between two lens is 3.05 cm

------------------ Solution for part (b) ----------------------------------

Magnification by first lens is

angular magnification of conversing lence is

So angular size of the image seen by looking through the converging lens is 4.9 cm

--------------------- Solution of Part c ----------------------------------

Angular magnification of this two-lens magnifier is

So angular magnification of the two lens magnifier is 2.72

genius_generous answered 1 year ago

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