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2021-05-09 13:27:06
00:17:02
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conceptual questions for class 12 Physics conceptual questions of Don of modern physics conceptual questions part 1 exercise of chapter 18 kpk board Physics Federal board Physics physics lectures in Urdu physics lectures in Hindi candle academy Pakistan class 12 Physics FSC physics book 2 2nd year physics
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candle academy pakistan
conceptual question of chapter 18 @ cancel academy Pakistan.
in lecture 17 of chapter 18 Dawn of modern physics we have solved Conceptual questions 18.1 18.2 18.3 and 18.4
Conceptual question 18.1
Imagine a world in which c= 50 metre per second. How would everyday events appear to us?
Conceptual question 18.2
both Zara and samina are 20 years old. Zara leaves Earth in spacecraft moving at .8 c, while samina remains on earth. Zara returns from a trip to star 30th light years from Earth, which one will be of greater age. Explain?
Conceptual question 18.3
Which has more energy, a photon of ultraviolet radiation are a photon of yellow light? Explain.
Conceptual question 18.4
Some stars are observed to be reddish, and some are blue. Which stars have the higher surface temperature?
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