Given a 5cm tall object and that do is 30 and di is 45 what is...

Question

Question

Given a 5cm tall object and that do is 30 and di is 45 what is the height of the image. a. 3.3cm b. -7.5cm c. -1.5cm d. 7.5cm

Answer 1

Answer #1

Magnification = di/do = 3/2

Now height of image = magnification *height of object

Image = 3/2*5 = 7.5cm

Now if it is a lens then magnification is positive

Or if it is mirror then m is negative then height will be -7.5cm

Answer 2

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