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Assume a hot system at temperature T placed in an environment at a lower temperature T0. The system emits more radiation than it absorbs and cools down whereas the surrounding absorb radiation from the systems and warm up. The system is losing power by emitting radiations at a rate.
What are radiation hazards? Mention four safety measures which should be taken against radioactive radiation. OR Explain radio isotopes? Write their any four uses. Descri
reasonings questions from chapter motion 1D
Explain the Transmission of Heat Transmission of heat (movement of heat from the hotter item to the colder item) can be brought about three ways: by conduction, convection, and
Derive an expression for the torque acting on a loop of N turns, area A, carrying current i, when held in a uniform magnetic field. With the help of ciruit, show how a moving coil
assignment
Q. What is an intrinsic semiconductor? Give any two examples. A) A semiconductor which is pure as well as contains no impurity is known as an intrinsic semiconductor. B) In
Wien displacement law: For blackbody, the product of the wavelength equivalent to the maximum radiancy and the thermodynamic temperature is a constant, the Wien displacement l
POPULATION INVERSION and LUMINOUS FLUX: POPULATION INVERSION: The process in which number of electrons (N ) in a higher2 energy state called metastable state of an active medi
Defect of short sightedness In this defect the image of the object is formed in front of retina or the lens become so converging.
Radio Waves: Radio waves are electromagnetic waves with large range of wavelength from a few millimetres to many meters.
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