12. [1pt] Enter the y coordinates for the points where each of the four principa

Question

12. [1pt]
Enter the y coordinates for the points where each of the four principal rays is reflected from the mirror. Enter the coordinates (in centimetres), from largest to smallest.

Answer 1 of 4:

Answer 2 of 4:

Answer 3 of 4:

Answer 4 of 4:

13. [1pt]
Enter the coordinates for the tip of the arrow's image, x (in metres) and y (in centimetres).

Answer 1 of 2:

Answer 2 of 2:

14. [1pt]
What is the magnification?

Answer:

A 4 cm tall object (an arrow) is positioned 2 m away from a concave mirror (f = 4 m located at x = 10 m as shown. Draw all four of the principal rays emanating from the tip of the arrow. Use your drawing (no calculations are required) to answer the following questions. Enter the y coordinates for the points where each of the four principal rays is reflected from the mirror. Enter the coordinates (in centimetres), from largest to smallest. Enter the y coordinates for the points where each of the four principal rays is reflected from the mirror. Enter the coordinates (in centimetres), from largest to smallest. What is the magnification?

Explanation / Answer

12. 8 cm

4 cm

2 cm

0 cm

13. x= 4m

y= 8cm

14. m =2

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