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Author Question: The curved surface of a 50-cm focal length plano-convex lens has a radius of curvature of 30 cm. ... (Read 98 times)

brutforce

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on: Jul 29, 2018
The curved surface of a 50-cm focal length plano-convex lens has a radius of curvature of 30 cm. What is the refractive index of the glass?
 
  What will be an ideal response?

Question 2

Tensile strain is
 
  A) the ratio of the change in length to the original length.
  B) the stress per unit area.
  C) the applied force per unit area.
  D) the ratio of stress to elastic modulus.


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emsimon14

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Reply #1 on: Jul 29, 2018
Answer to Question 1

1.6

Answer to Question 2

A


brutforce

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Reply 2 on: Jul 29, 2018
Wow, this really help

mammy1697

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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