February 22, 2017

Homework Help: Physics(Thank you)

Posted by Jon on Tuesday, April 8, 2008 at 4:03am.

1)Which of the following objects can set fire to a piece of paper in the presence of sunlight?

A)doulble concave lens
B)convex lens
C)convex mirror
D)concave lens

B, convex lens

2)What happens to a path of a light ray parallel to the principle axis, after it passes through a converging lens?

it passes through focus on the other side of the lens.

all of my answers are from what I understand and not guesses. I can refer to a page in my book to find where and how I arrived at the answer so if some are wrong please don't say I'm taking wild guesses because I'm not doing that

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