« previous next »

Author Question: Which of the following statements about thermal radiation is always true? A) A hot object emits ... (Read 44 times)

anshika

  • Hero Member
  • *****
  • Posts: 510
on: Jul 27, 2018
Which of the following statements about thermal radiation is always true?
 
  A) A hot object emits more X-rays than a cool object.
  B) A hot object emits more radio waves than a cool object.
  C) A hot object emits photons with a longer wavelength than a cool object.
  D) A hot object emits photons with a higher average energy than a cool object.

Question 2

Alone of all the Galilean moons, Callisto shows no sign of plate tectonics.
 
  Indicate whether the statement is true or false


tkempin

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

FALSE


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

The Parallax of a Nearby Object in Space The Parallax of a Nearby Object in Space
Gravitational Redshift The color of light from the same object located at diffe Gravitational Redshift The color of light from the same object located at diffe
Thermal Layers of the Atmosphere Thermal Layers of the Atmosphere
How to convert verbal statements into algebraic equations (Part 1) How to convert verbal statements into algebraic equations (Part 1)
The effect of thermal expansion The effect of thermal expansion
A diagram showing one of Mendel’s crosses. True-breeding strains of pea plants with smooth and ... A diagram showing one of Mendel’s crosses. True-breeding strains of pea plants with smooth and ...
Video: Condensation and Hydrolysis Animation

For a complete list of videos, visit our video library