Why is mercury used in thermometers rather than water?
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when taken to the top of a mountain, a clock will go fast or go slow or no change or stop ?
Why is diamond cut to make if brilliant ?
Which property of sound is affected by change in air temperature?
What do you know about Noble Gases?
This person established the one fluid theory of electricity and performed some of the first investigations into electrical grounding and insulation:
In which medium does the sound travel fatest?
I’ve heard that in quantum physics a lot of fancy mathematical objects like hilbert spaces are used, and that in particular, measurable quantities are described by self-adjoint operators. Are these things related to what you have just explained? : quantum physics
What is periodic wave?
Suppose a car is traveling at 72kmph, and if that car slows down to 60kmph it takes an extra 1 hour to cover that same distance. At 72kmph, how long did it take forthe car to cover that distance?
Why are the mountains colder than the plains ?
A coil of wire that produces a magnetic field is typically called a
When the sound intensity is above 120 decibel, what happen to human ears?