1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
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: AS Physics Practical help

  1. Apr 8, 2007 #1
    1. The problem statement, all variables and given/known data
    Design a lab experiment using a LDR to investigate how the intensity of light emmited by a lamp varies with wavelength

    2. Relevant equations

    how the wavelength of the light falling in the LDR is determined
    how a measure of the intensity can be obtained from the LDR
    factors to be controlled to ensure it's a fair test, safety precautions and particular features to ensure accuracy and reliability

    3. The attempt at a solution
  2. jcsd
  3. Apr 8, 2007 #2


    User Avatar
    Staff Emeritus
    Science Advisor
    Gold Member

    Welcome to the forums! You must make some attempt at the problem yourself before we can help you. What ideas do you have about the experiment? For example how can you select different wavelengths from a lamp and what is it about the LDR that could be used to measure intensity?
  4. Apr 14, 2007 #3
    i could use a polaroid disc to measure the wavelength
  5. Apr 14, 2007 #4


    User Avatar
    Gold Member

Share this great discussion with others via Reddit, Google+, Twitter, or Facebook