Doppler Effect in Light
How does the Doppler effect apply to light?
Power consumption
Why does a 100W bulb consume more electricity than a 40W bulb?
Photoelectric Effect
How did Einstein explain the photoelectric effect?
Fleming’s rules
How do generators and motors relate to Fleming’s left-hand and right-hand rules?
Dual Nature of Light
Is light a wave or a particle?
AC vs DC
Why do we use AC at home instead of DC?
Nuclear Fission
How is energy released during nuclear fission?
Electromagnetic induction
Why does moving a magnet inside a coil produce current?
Nuclear Fusion
Why can’t we easily replicate nuclear fusion on Earth?
Earth’s magnetism
What would happen if Earth’s magnetic field disappeared suddenly?
Semiconductors
Why are semiconductors preferred in electronics?
Scalar vs Vector
Is velocity a scalar or vector? Why?
Diodes
How does a p-n junction diode allow current to flow in one direction only?
Relative motion
Why do raindrops seem to fall slanting when you’re in a moving car?
Logic Gates
What are logic gates, and where do we use them?
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