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Author Question: The _______________ of a radioactive substance is the time it takes for half of the parent isotope ... (Read 80 times)

fbq8i

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on: Jul 27, 2018
The _______________ of a radioactive substance is the time it takes for half of the parent isotope atoms to decay into daughter isotope atoms.
 
  Fill in the blank(s) with correct word

Question 2

Explain the difference between apparent visual brightness and absolute visual brightness.
 
  What will be an ideal response?


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swimkari

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

half-life

Answer to Question 2

Apparent visual brightness is the perceived energy we see from the Earth without consideration of distance; whereas absolute visual brightness is the energy we receive if the star was at a distance of 10 parsecs.


fbq8i

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Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it

yeungji

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

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