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Author Question: A stretched string can have ______________ natural frequency(ies). a. one b. 10 times its length ... (Read 115 times)

vHAUNG6011

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on: Jul 28, 2018
A stretched string can have ______________ natural frequency(ies).
 a. one
  b. 10 times its length in
  c. 5 times its length in
  d. many

Question 2

Forbidden transitions and selection rules suggest that
 a. a photon has linear momentum.
  b. a photon has energy.
  c. a photon has angular momentum.
  d. a photon has parity.
  e. a photon has mass.


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angrybirds13579

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

d

Answer to Question 2

c


vHAUNG6011

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Reply 2 on: Jul 28, 2018
:D TYSM

frankwu0507

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Reply 3 on: Yesterday
Wow, this really help

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