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Longitudinal Waves and Tuning Forks
Sound waves are generates through vibrating objects. Whether it is the sound of a person's voice, the sound of a piano and the sound of a trombone or the sound of a physics book slamming to the floor and the source of the sound is forever a vibrating object.
Ammeter: An electromechanical instrument which is used to calculate the amount of current flowing by an electric circuit is known as an ammeter. It is modified form of a gal
Q. An X-ray diffraction of a crystal gave a closest line at an angle of 6o27'. If the wavelength of X-ray is 0.58Ao, find the distance between the two cleavage planes. 2d Sinθ
why value of g at center of earth is zero?
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
Young's experiment; double-slit experiment (T. Young; 1801): A popular experiment which illustrates the wave nature of light (and indeed of other particles). Light is passed f
Amplifier is a functioning by which the amplitude of variation of ac signal voltage / current/ power can be enhanced (i) Principle and circuit diagram: The amplifying action of
The color of sky is blue but the wavelenght of violet and indigo is small than that of blue.Then why the color of sky is blue? Ans) The particles in the atmosphere are able to
A certain machine exerts a force of 200 newtons on a box whose mass is 30 kilograms. The machine moves the box a distance of 20 meters along a horizontal floor. What amount of wor
Define Frozen Solid (Moscow Phys-Tech)? Evaluation how long it will take for a small pond of average depth D=0.5 m to freeze entirely in a very cold winter, when the
One mole of an ideal gas at 0°C is compressed adiabatically reversibly to a pressure of 20 times its initial pressure. Evaluate the final temperature.(γ=1.4)
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