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it sinks a little
it rises a little
it rises or sinks depending on the material it is made of
it remains at the same level
When a turning fork of unknown frequency if sounded with a tuning fork of frequency 100 Hz, 2 beats per second are heard. When the arm of tuning fork of unknown frequency is loaded with a little wax and both are sounded 1 beat per second is heard. The unknown frequency is :
When an aero plane is making a loop, pilot does not fall down because his weight provides the necessary-
When heated from 00 to 100C volume of a given mass of water will
When Helium atom Loses electron, then it becomes
When hot liquid is poured into a thick glass tumbler, it cracks as glass
When hot-water is sprinkled on a hotter glass tumbler, it breaks as
When Hydrogen starts burning in air, it produces
When ice cubes are made, the entropy of water
When ice melts, its
When iron rusts, its weight