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How many types does heat transfer?
There are three ways of heat tranfer.
a) Conduction (transfer of heat among objects in direct contact)
b) Convection (transfer of heat because of movement of gas or liquid)
c) Radiation (transfer of heat by EM waves like sunlight)
Which statement concerning the electric potential of a solid object made out of a perfectly conducting medium is most correct? Answer: It is the electric field which is z
State Huygens' Principle. With the help of a suitable diagram, prove Snell's law of refraction using Huygens' Principle.
when a body is thrown upwards, its velocity becomes zero at the highest point. what will be its acceleration at this point?
Q. How greatly does automotive oil weigh? Answer:- As a rough guide engine oil typically weighs about 0.87 kg/litter or about 7.2 pounds per US gallon. Regrettably a rough
(a) Show that the total power in a 3-phase, 3-wire system using the two-wattmeter method of measurement is given by the sum of the wattmeter readings. Draw a connection diagram.
Photoelectric electricity is produced directly from solar energy when which following are absorbed in a semiconductor to create an electric current? a) Protons b) Electron
Ideal gas laws Boyle's law At constant temperature, the pressure of an ideal gas is inversely proportional to the volume of the gas Charles' law At constant
A 0.17-kg hockey puck leaves the stick on a slap shot travelling 21 m/s. If no other forces act on the puck, friction eventually will bring it to rest 62 m away. a. Based on th
Q. What do you mean by Length Contraction? The length of any object in a moving frame will appear for shortened in the direction of motion. The amount of contraction can be cal
two insulated charged copper spheres A and B of identical size have charge q and -3q respectably .when they are brought in contact with each other and then separated,what are the n
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