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Describe how Dewar flasks limit energy transfer
A Dewar flask (thermos) is a device that resists energy transfer. Explain how Dewar flasks limit energy transfer by listing the equations for heat generated by conduction and heat generated by radiation and indicating which variables are minimized/maximized in order for heat transfer to be limited. Also address how Dewar flasks limit heat transfer via convection. Thanks in advance!
Explain the laws of solid friction
Thomson experiment; Kelvin effect (Sir W. Thomson [later Lord Kelvin]): While an electric current pass through a conductor whose ends are maintained at distinct temperatures,
Q. Explain any one of the drawbacks of Rutherford atom model. As-per to the classical electromagnetic theory the accelerating electron must radiate energy at a frequency propo
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Out of ordinary and extra-ordinary waves, which wave obeys Snell's law?
Describe working of Heat engine Heat engine is a device by which a system is made to undergo a cyclic process that results in conversion of heat to work. * It having of a
Write down the factors which force a system to oscillate?
WHY HEATER IS KEPT IN CONTROL ROOM OF MRI? IS IT KEPT ON ALL THE TIME OR IT CAN BE TURNED OFF AT NIGHT AND RESTARTED AT MORNING
Gauss' law for magnetic fields The magnetic flux by a closed surface is zero; no magnetic charges present. In differential form, div B = 0.
Properties of Electromagnetic spectrum: A spectrum can be divided into 3 regions. They are UV region, Visible region and IR region. Monochromatic light is a light which consi
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