Practice Sign Convention For Reflection By Spherical Mirrors (9.2.3) - Light

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6 sample questions

Question 1.
Define the pole of a spherical mirror.
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It is the origin in the sign convention.
Question 2.
What direction are distances measured to the left of the pole?
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Think about standard number lines.
3Question 3.
What does the term 'pole' refer to in spherical mirrors?
- Centre of the mirror
- Edge of the mirror
- Surface of the mirror
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Where do we start measuring distances?
4Question 4.
In the sign convention, how is the object distance measured?
- True
- False
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Think about the placement of the object.
Question 5.
If an image is formed at 20 cm on the right side of a spherical mirror, determine the object distance when the focal length is 10 cm.
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Remember to keep the signs consistent!
Question 6.
Describe a scenario where the object distance is positive, and explain what that means in terms of sign convention.
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Think about the typical positioning of objects.

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