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

Author Question: A violet-hot star emits radiation having about twice the peak frequency of radiation from a red-hot ... (Read 47 times)

Chloeellawright

  • Hero Member
  • *****
  • Posts: 588
on: Jul 29, 2018
A violet-hot star emits radiation having about twice the peak frequency of radiation from a red-hot star. The surface temperature of the hotter star is about
 
  A) half that of the cooler star.
  B) twice that of the cooler star.
  C) the same.

Question 2

Light at the peak frequency of an incandescent lamp depends on the
 
  A) amount of electrical energy transformed.
  B) rate of atomic and molecular vibrations.
  C) voltage applied to the lamp.
  D) electrical resistance of the lamp.
  E) transparency of glass.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

prumorgan

  • Sr. Member
  • ****
  • Posts: 326
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: B


Chloeellawright

  • Member
  • Posts: 588
Reply 2 on: Jul 29, 2018
Thanks for the timely response, appreciate it

aliotak

  • Member
  • Posts: 326
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

Paland and Lynch demonstrated the importance of sexual reproduction in reducing the frequency of mal Paland and Lynch demonstrated the importance of sexual reproduction in reducing the frequency of mal
A crescent Moon and "star" A crescent Moon and "star"
Mass Loss by a Supermassive Star Mass Loss by a Supermassive Star
How Axis Tilt Affects the Intensity of Solar Radiation How Axis Tilt Affects the Intensity of Solar Radiation
The patient is placed between the X-ray tube, which emits a cone-shaped X-ray beam, and the film or ... The patient is placed between the X-ray tube, which emits a cone-shaped X-ray beam, and the film or ...
Normal oxygen sensor frequency is from about one to five times per second. Normal oxygen sensor frequency is from about one to five times per second.
Video: Types of Burns

For a complete list of videos, visit our video library