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Class - 12th Physics | Sample Paper | Q.1 to Q.5
Автор: Physics Pulse
Загружено: 2026-01-07
Просмотров: 39
Описание:
Question 1: (0:17-4:45)
Using the formula Q = CV (where C is capacitance and V is potential) and the capacitance formula for a sphere (C = 4πε₀r),
*Question 2: * (4:46-8:11)
4n Dρ / d².
Question 3: (8:12-12:11)
The impedance of the device (XC = 1/(2πfC)) decreases because capacitive reactance is inversely proportional to frequency.
Question 4: (12:12-14:59)
The energy of radio waves is less than that of gamma rays.
Question 5: (14:12-15:52)
Total internal reflection, the light ray will reflect internally at the same angle it hits the surface.
v = C sin(θ).
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