The wavelength of a photon decreases when it is scattered from an ...

[Ebrown]

The wavelength of a photon decreases when it is scattered from an electron.
 
  Indicate whether the statement is true or false

Question 2

A rock is thrown at some angle above the horizontal with a certain velocity. It reaches its highest point and starts falling down. What is the velocity of the rock at the highest point of its trajectory?
 
  A) 0
  B) 9.8 m/s
  C) It is equal to its initial horizontal velocity.
  D) It is equal to its initial vertical velocity.
  E) It is equal to its initial velocity.

[shoemake]

Answer to Question 1

FALSE

Answer to Question 2

C

[Ebrown]

Thanks for the timely response, appreciate it

[EAN94]

Excellent