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Author Question: A 4.0-cm tall object is placed along the principal axis of a thin, convex lens of 30.0-cm focal ... (Read 60 times)

audie

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on: Jul 28, 2018
A 4.0-cm tall object is placed along the principal axis of a thin, convex lens of 30.0-cm focal length. If the object distance is 40.0 cm, which of the following best describes the image distance and height, respectively?
 a. 17.3 cm and 7.0 cm
  c. 120 cm and 1.3 cm
  b. 17.3 cm and 1.3 cm
  d. 120 cm and 12 cm

Question 2

The value 1.38  10-23 J/K is known as:
 a. the universal gas constant.
  c. Avogadro's number.
  b. Boltzmann's constant.
  d. the molar specific.


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ricroger

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Reply #1 on: Jul 28, 2018
Answer to Question 1

D

Answer to Question 2

B


audie

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Reply 2 on: Jul 28, 2018
Wow, this really help

cam1229

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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