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The water will not spill
Get a small pail and fill it nearly full with water . Swing it around rapidly at arms' length and the water will not spill because of centrifugal force.
WHERE DOES C.O.G AND C.O.M DIFFER?....GENERALLY BOTH COINCIDES....GIVE EXAMPLE WHERE BOTH DIFFER? Ans) C.O.G and C.O.M mainly coincides at the see-level region.But C.O.G is a va
Evaluate the volume of water in a round reservoir approximately 1 km in radius, if the depth of the water is 15 m. Approximately how many balls with a diameter of 1.8 cm should
A diffraction grating used at normal incidence provides a spectral line of certain order with wavelength 6000A 0 superimpose on another spectral line of wave length 5000A 0 of th
Electrical equipment in an office takes a current of 13A from a 240V supply. Estimate the cost per week of electricity if the equipment is used for 30 hours every week and 1kW
The temperature of a body is measured indirectly by making use of the fact that certain physical property of a substance changes linearly with the temperature If the value of th
Forward Bias: When p-type material of a semiconductor diode is linked at positive potential and the n-type material is linked at negative potential of a voltage source, the dio
Van der Waals force (J.D. van der Waals): It is the forces which is responsible for the non-ideal behavior of gases, & lattice energy of molecular crystals. There are three ca
physical significance
Propagation of an Electromagnetic Wave Electromagnetic waves are waves that can travel by the vacuum of outer space. Mechanical waves, not like electromagnetic waves, need the
A centrifugal fan is used to pump air. The fan rotor is 1 ft in diameter, and the blade spacing is 2 in. The air enters with no angular momentum and exits radially with respect to
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