To determine the Planck’s Constant using different colours LED's 

Dear Rohan, thanks for watching this video carefully. Try to understand the experiment. You have to perform this in the sem4.

It is an excellent video 👍👌 to understand the experiment of determination planks constant by led.I am clearly understand the experiment.Thank u so much sir for this video.I am very happy to see this type video.I am waiting for next video

Dear Malay, Thank you very much also. Same is true for you also. Keep watching.

Thank you so much sir ❤

Excellent way of explanation 👌👌

Thank you so very much.

Helped a lot in learning🙏❤️

Sir I want to know colour identify by using led lights is it possible ?

Thank you so much sir 🙏

Thank you sir ,,, you are awesome ,,

THANK YOU SO MUCH SIR...

It was a really nice experiment, and pretty interesting.

Thank you sir 🙏

Thank you sir....it very helpful video.sir can you please give me the manual of this practical?please reply sir🙏

*doubt*: Can you explain why we only use cutting voltage to determine the constant?

Thank u so much sir for this vedio😇

🌸❤️tku sir

Meri samjh me nhi aya balki nind aane lagi thoda Josh lao sir

Thank you so much sir🙏