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This person has taught me more about this Physics Unit than learning it in 2 weeks at high school. Thanks man!

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I attended many classes and still didn’t understand even half of what I did from you... I think I’m going to get the full mark in Physics and Chemistry just because I watched your videos ! I really hope you get paid enough for what you are doing here... may God reward you for the hard work

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This was explained well. For those of us not math inclined, you made the equations easy to understand

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Brilliant, here is everything one needs about lenses and light refraction. Congratulations!!!

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Direct, clear, and thorough. Thank you sir!

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Thank you and you have a great day as well

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Excellent examples and explanation. Thanx

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27:50 has me dying

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I've understood it perfectly. Thank you

Just a little. correction here: If the object is further than 2f from the lens, it's said to be diminished; and if it's between 2f and f, it is enlarged.

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tysm this helped a lot

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As always thankyou again for this great video sir.

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Tomorrow will be our science quiz bee!! Wish me a luck

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Thank you

I mean just the voice makes me learn!