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bekas [8.4K]
3 years ago
5

Which of the following would not be useful in trying to correct spherical aberration a. using a combination lens made up of lens

es, each of which has a different index of refraction
b. using a circular stop to block out the outside rays of light
c. using proper grinding when an object is at a specific distance from the lens
d. using a diaphragm to block outside rays of light
Physics
2 answers:
Viefleur [7K]3 years ago
8 0
A. Using a combination lens made up of lenses, each of which has a different index of refraction. Is the correct answer.
solong [7]3 years ago
4 0
I am positive it is A took the test 
  can i have brainliest?
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Complete question is;

A baseball bat is a lever. Which of the following explains how a baseball bat differs from a lever like a pry bar?

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B) In a baseball bat, effort force is smaller and is applied over a large distance, while the resistance force is smaller and is applied over a short distance.

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