What is acoustics?
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How does the elevation and air pressure affect the boiling point of water?
does plane mirror produce real image?how?
When a string is placed on a slab of ice, the string passes through it.Why ?
When water is boiled in a tin and its mouth is closed by a rubber cork, then on pouring cold water over the tin it is crushed. Why ?
What is the universal law of universal gravitation?
Explain the Amorphous ?
How is the index of refraction computed?
Explain the Heat Engines ?
Explain the difference between the atomic theory and the kinetic theory?
Explain how do fireworks turn into shapes like hearts and stars?
What is meant by 4th dimension?
What is meant by geo- magnetism ?