This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A quantum of radiation has an energy of 1.3 keV. What is its frequency? (h = 6.63 10-34 Js and 1 eV ... (Read 88 times)

erika

  • Hero Member
  • *****
  • Posts: 522
on: Jul 28, 2018
A quantum of radiation has an energy of 1.3 keV. What is its frequency? (h = 6.63  10-34 Js and 1 eV = 1.60  10-19 J)
 a. 6.3  1017 Hz
  c. 4.8  1017 Hz
  b. 3.1  1017 Hz
  d. 7.2  1017 Hz

Question 2

As the temperature of a radiation emitting blackbody becomes lower, what happens to the peak wavelength of the radiation?
 a. remains constant
  b. increases
  c. decreases
  d. is directly proportional to temperature


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kjo;oj

  • Sr. Member
  • ****
  • Posts: 328
Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

B


erika

  • Hero Member
  • *****
  • Posts: 522
Reply #2 on: Jul 28, 2018
TY


kjo;oj

  • Sr. Member
  • ****
  • Posts: 328
Reply #3 on: Jul 28, 2018
You're welcome


« previous next »
 

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

The FDA recognizes 118 routes of administration.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Bonding Partners and Energy May Change in a Chemical Reaction Bonding Partners and Energy May Change in a Chemical Reaction
Free energy change during electron transport Free energy change during electron transport
Tummy rock to release energy blocks in the torso and head. Tummy rock to release energy blocks in the torso and head.
Energy Resources range from inexhaustible to nonrenewable Energy Resources range from inexhaustible to nonrenewable
The flow of energy and the cycling of materials maintain nature’s organization The flow of energy and the cycling of materials maintain nature’s organization
Expressing amounts of energy in different energy units is necessary to solve many chemistry ... Expressing amounts of energy in different energy units is necessary to solve many chemistry ...
Video: Introduction to Autism

For a complete list of videos, visit our video library