Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Homework Help: Sensitive Light meter and meter stick to measure distance

  1. Feb 10, 2010 #1
    1. Suppose you are on the bank of a river at night. Opposite you on the other bank is a street light. You have a sensitive light meter and a meter stick. How wold you determine the distance across the river?
    1. The problem statement, all variables and given/known data



    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
  3. Feb 11, 2010 #2

    Redbelly98

    User Avatar
    Staff Emeritus
    Science Advisor
    Homework Helper

    You'll have to provide your own thoughts or attempt at a solution before receiving help.

    What equations dealing with light sources are in your recent class notes, or textbook reading?
     
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook