Interaction of Light with matter

[@PhysicsbyIITians]

At 24:35, the written formula is for Intensity, for energy density one have to multiply it by 4*pi/c

[@hiteshmishra7453]

Exactly..

[@dm3248]

The formula is correct bcz it is for 1 dimension that's why we have h factor instead of h^3..

[@LeyaSardar]

the way of the explanation is one of the best i have been came across... like a story.

[@JohnVKaravitis]

Starting my PhD this Fall. Taking Lasers. This playlist is appreciated. Question: What textbook would you recommend for graduate students studying Lasers?

[@BienNguyen-jv8ey]

how did you do it can you share with me , thank you

[@warrior9993]

Thank you sir 😊

[@dm3248]

Thank you...!!

[@amayaragam]

what is the indication of -ve sign in the rate of absorption expression?

[@PhysicsbyIITians]

As the number is decreasing, the negative sign is here

[@himanshushekhardas1730]

I think the formula is wrong, planks radiation form

[@yuvrajsinghyadav440]

yes

[@anwarsaeed140]

ENGLSH🤭🤭🤭🤭