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physics doubt..anybodi wiiling to help??

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astarmathsandphysics:
Basically time moves horizintally along the  cro screen.

If a voltage is 2V the you have a horizontal line (2 squares up from the middle say)

If a voltage is -1V the you have a horizontal line (1 square down from the middle say)

But if the voltage varies bwteen 2 and -1 then as time moves horizontally the voltage moves down and you get a diagonal line going down. Think like this always.

someone:
could anyone help explain the experiment to:
-verify that there is no net moment on a body in equilibrium
-show the properties of good and bad emitters and good and bad absorbers of infra-red radiation

and pls also tell the deflection of the three radiation emissions in electric and magnetic fields

thx :)

astarmathsandphysics:
could anyone help explain the experiment to:
-verify that there is no net moment on a body in equilibrium - see if it rotates
-show the properties of good and bad emitters and good and bad absorbers of infra-red radiation -
good emitters - dull and dark - heat up rapidly
bad emitters- shiny - heat up quickly

and pls also tell the deflection of the three radiation emissions in electric and magnetic fields
alpha -positive charge - curls clockwise when going forward in magnetic field pointin up
beta -negative charge - curls anticlockwise when going forward in magnetic field pointin up
gamma - no deflection

sjl:
who can help me to draw the alpha-emmitter, beata-emmiter nd the gamma-emmiter? those things are so hard. by the way, can you guys show me hw to measure those things????

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