Monday

January 26, 2015

January 26, 2015

Posted by **Mary** on Tuesday, November 6, 2007 at 7:14pm.

(a) An object is placed in front of a convex mirror. Draw a convex mirror (radius of curvature = 15 cm) to scale, and place an object 28 cm in front of it. Make the object height 4 cm. Using a ray diagram, locate the image and measure its height. (Do this diagram on paper. Your instructor may ask you to turn in this work.)

cm (image location, include sign)

cm (image height, include sign)

(b) Now move the object closer to the mirror, so the object distance is 5 cm. Again, locate its image using a ray diagram. .

cm (image location, include sign)

cm (image height, include sign)

(c) As the object moves closer to the mirror, does the magnitude of the image distance become larger or smaller?

larger

smaller

stays the same

(d) As the object moves closer to the mirror, does the magnitude of the image height become larger or smaller?

larger

smaller

stays the same

(e) What is the ratio of the image height when the object distance is 5 cm to that when the object distance is 28 cm? Give your answer to one significant figure.

h5 cm / h28 cm =

- Physic please help! -
**bobpursley**, Tuesday, November 6, 2007 at 7:19pmThe first four are ray diagrams.

http://www.glenbrook.k12.il.us/GBSSCI/PHYS/Class/refln/u13l4b.html

answer e can be done on the ray diagram also, but there is a formula you can use to check it.

**Answer this Question**

**Related Questions**

Time Zones - Check my work. Calculate the correct time in brackets: 1. 1:00am at...

biology - A person(between 11-17) gets up and goes somewhere after sitting 20 ...

biology help please - Compare the pig brain to drawings of a human brain, a ...

microeconomics - Explain how Demand, Elasticity, and Total Revenue are all ...

English lit - I need to write a explication about this poem, can you help? A ...

english - This is the last part of my response to OutFoxed ...America is said to...

Physic please help! - The electrons in the beam of a television tube have a ...

Math: Differential Equations - I've been stuck on this math hw problem for a ...

Math - Sam starts from point A at 8:00am and hikes up a mountain path. He ...

algebra - find f(x) = –x3 + x2 + 2x + 7, find f(–3), f(0), and f(2) Wouldn't you...