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Author Question: How many times more intense is an 80. db sound than a 60. db sound? A) 10 B) 20 C) 2.0 D) 1.33 ... (Read 66 times)

Collmarie

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on: Jul 27, 2018
How many times more intense is an 80. db sound than a 60. db sound?
 
  A) 10
  B) 20
  C) 2.0
  D) 1.33
  E) 100

Question 2

The concentric fringes, formed when a curved lens is placed on an optical flat, are called
 
  A) Galileo circles.
  B) Newton's rings.
  C) Young's rings.
  D) Faraday's circles.
  E) Maxwell circles.


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Eunice618

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Reply #1 on: Jul 27, 2018
Answer to Question 1

E

Answer to Question 2

B


Collmarie

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Reply 2 on: Jul 27, 2018
Gracias!

Laurenleakan

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Reply 3 on: Yesterday
Wow, this really help

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