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 85 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?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

How Axis Tilt Affects the Intensity of Solar Radiation How Axis Tilt Affects the Intensity of Solar Radiation
Dosimeter or personal radiation badge. Dosimeter or personal radiation badge.
Metabolic pathways involved in the breakdown of proteins for energy. Metabolic pathways involved in the breakdown of proteins for energy.
Carbohydrates Are Energy-Containing Nutrients Carbohydrates Are Energy-Containing Nutrients
What is the frequency of individuals that are homozygous for this allele? What is the frequency of individuals that are homozygous for this allele?
Energy flow in the light-dependent reactions of photosynthesis Energy flow in the light-dependent reactions of photosynthesis
Video: How Hemoglobin Picks Up and Delivers Oxygen

For a complete list of videos, visit our video library