Author Question: Classical theories predict that most of the energy from a blackbody should be radiated: a. at the ... (Read 62 times)

c0205847

  • Hero Member
  • *****
  • Posts: 531
Classical theories predict that most of the energy from a blackbody should be radiated:
 a. at the wavelength given by Wien's displacement law.
  b. as thermal radiation in the infrared region.
  c. a blackbody should not radiate.
  d. as ultraviolet light.

Question 2

What is the surface temperature of a distant star (which emits light as if it were a blackbody) where the peak wavelength is 456 nm? (Hint: The surface of the human body at 35 C has a peak wavelength of 9.41 mm). (1 nm = 10-9 m = 10-3 mm)
 a. 5100 K
  c. 6040 K
  b. 4510 K
  d. 6360 K



xoxo123

  • Sr. Member
  • ****
  • Posts: 335
Answer to Question 1

D

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

For a complete list of videos, visit our video library