Here is the Experimental File in pdf format.

If you want to determine the value of Planck’s Constant using LED. Here is just a little modification in the calculations. Rest experiment is the same.

**Find more Electromagnetic Theory related Practicals in this Link – **https://alllabexperiments.com/phy_pract_files/emt/

**Watch “How to perform this Experiment” in this video – **https://www.youtube.com/watch?v=9eeHoErba0Q

**Watch “Most Important Viva Questions” on LED and Planck’s Constant – **https://www.youtube.com/watch?v=vLgI7uEDVXg

What will be the change in to determine the value of planks constant using LED ?

In that case, no calculation, and you only observe V-I values for LED in forward and reverse bias.