Apparent brightness and luminosity [IB Physics SL/HL]

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[@moonsvc]

You are single-handedly carrying all of our diplomas. Thank you for your great videos!

[@siriusrevision]

You're so welcome!

[@spudphoenix9916]

Thank you soo much! I could not find any other videos on any of this, and I still didn't understand it after our teacher explained it to us. You made it simple and easy to understand.

[@Hasnain.]

This video was very helpful! Thank you!

[@siyasingh7597]

I hereby coronate you the king of memes

[@siriusrevision]

I am honoured!

[@oofiedoofie9084]

In order to convert the distance from metres to pc, how to you put this into the calculator, as I get the process?

[@Rach-c7v]

for an approximate result, divide the length(m) value by 3.086e+16