Why does a tea kettle sing?
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Explain the Friction and Equilibrium ?
Why dies a cricket player lower his hands, while catching the ball ?
Explain the Optical Medium ?
What happens when you travel across the dateline?
Why are summer hotter than winters ?
Explain refraction?
What is the pitch?
How much does automotive oil weigh?
Two bulbs, one of 600W and the other of 100W having same voltage rating are connected in series across the supply in a room.Which bulb will glow brighter? If one of the bulb is switched off, what will be effect on illumination?
This person established the one fluid theory of electricity and performed some of the first investigations into electrical grounding and insulation:
Explain the Evaporation ?
Why dies a stone fall when thrown upward, while a balloon rises up?