Using the set-up seen here, Ms. Garcia places a golf ball between the globe and the flashlight. Turning off the lights in the ro
om, she shines a flashlight from behind the golf ball. The students observe the shadow of the golf ball falling on the globe. What is this setup trying to model?
A) a solar eclipse
B) the solar system
C) the idea of gravity
D) the surface of the moon
A) a solar eclipse
B) the solar system
C) the idea of gravity
D) the surface of the moon
1 answer:
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Answer:
Image is twice as large as the object, and inverted
Explanation:
When an object is placed in front of a mirror, the mirror produces an image.
The magnification of the image is a number telling how much the size of the image is enlarged/diminished with respect to the object.
It is given by
where
M is the magnification
y' is the size of the image
y is the size of the object
In this problem,
M = -2
This means that:
So, we can conclude the following:
- The size of the image is twice the size of the real object
- The image is also inverted, because of the presence of the negative sign in the equation
I found this using the app Socratic. When I took physics in high school it helped me so much.
