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Explain the Density
Density is a measure of how densely packed matter is. One standard brick weighs more than the same size piece of Styrofoam but less than the same size brick of lead.
Example - How many kilograms of air are in your room? Assume your room is 10 m x10 m x 3.0 m. The density of air at sea level is about 1.2 kg/m3.
Work: In its technical sense, work is the product of force and distance, and work is done only when a force causes movement. We can see this by the formula: Work = Force x
What the angles among the direction are of travel of light the electric field and the associated magnetic field? Answer: The magnetic field created by a changing electric
how to find magnetic moment and the principle behind the magnetometer?
Q. State Brewster's law. Brewster's law the digression of the polarising angle is numerically equal to the refractive index of the medium. That is tan ip = μ
What is Vapor Density? Vapour density is the density of a vapour in relation to that of hydrogen. It may be defined as mass of a certain volume of a substance divided by mass of
Echo: The sound heard after reflection from an obstacle is known as echo.
Cannon of mass 5m (having a shell of mass m) is at rest on a smooth horizontal ground fires the shell with its barrel at an angle A with the horizontal at a velocity u relative to
how to create a graph on the acceleration due to gravity on a pendulum
Can you explain coherent sources of light?
WHAT IS THE MEAN OF HEAT
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