Skip to main content
Search type Search syntax
Tags [tag]
Exact "words here"
Author user:1234
user:me (yours)
Score score:3 (3+)
score:0 (none)
Answers answers:3 (3+)
answers:0 (none)
isaccepted:yes
hasaccepted:no
inquestion:1234
Views views:250
Code code:"if (foo != bar)"
Sections title:apples
body:"apples oranges"
URL url:"*.example.com"
Saves in:saves
Status closed:yes
duplicate:no
migrated:no
wiki:no
Types is:question
is:answer
Exclude -[tag]
-apples
For more details on advanced search visit our help page
Results tagged with
Search options not deleted user 137535

The observed behavior in which light falling on certain metals can eject electrons from the surface.

0 votes

Kinetic energy and Potential of a photon

The kinetic energy of a photon is hf, where f is the photon's frequency. If a photon is fired straight up from the surface of a planet it is said to "lose energy" to "the (gravitational) field". The …
Heraclitus's user avatar