Determination of Planck’s constant by using light-emitting diodes (LEDs)
Learn about this experiment in steps with viva questions and easy calculation...
Plot I and V for
Red Color LED
and note down the stopping potential
Plot I and V for
Green
Color LED
and note down the stopping potential
Plot I and V for
Blue Color LED
and note down the stopping potential
Plot Stopping Potential and Frequency for
Red
,
Green
and
Blue Color LED
and note down the slope
Now use this formula and calculate the value of Planck's constant
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Planck's constant