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2021-05-16 09:32:30
00:24:03
Urdu
conceptual question part 5 conceptual question related to the modern physics conceptual question of chapter 18 class 12 Physics Federal board Physics candle academy Pakistan FSC physics book 2 chapter18 physics book 2 short questions exercise questions
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welcome to candle academy Pakistan. This is lecture 21 of chapter 18 Dawn of modern physics Federal board and kpk board.
in this lecture exercise constructive question 18.18, 18.19 , 18.20, 18.21 and 18.22 are solved
Conceptual question 18.18
Why don't we observe the Compton effect with visible light?
Conceptual question 18.19
If the following particles all have the same kinetic energy, which has the shortest wavelength? Electron, alpha particle, neutron and proton?
Conceptual question 18.20
If an electron and proton have the same de broglie wavelength which particle has greater speed?
Conceptual question 18.21
Why ultraviolet radiation is harmful to skin while visible light is not?
Conceptual question 18. 22
And incandescent light bulb is connected to a dimmer switch. When the bulb operate at full power, It appears white, but is it is dimmed it looks more and more red. Explain
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