Physics In very cold countries alcohol is used as a thermometric liquid because It will not stick to the glass tube Alcohol is a poor conductor of heat Alcohol can be coloured for its level to be seen easily Its freezing point is very low It will not stick to the glass tube Alcohol is a poor conductor of heat Alcohol can be coloured for its level to be seen easily Its freezing point is very low ANSWER DOWNLOAD EXAMIANS APP
Physics Stars twinkle because None of these the refractive index of the different layers of the earth's atmosphere ch the distance of the stars from the earth changes with time. the intensity of light emitted by them changes with time. None of these the refractive index of the different layers of the earth's atmosphere ch the distance of the stars from the earth changes with time. the intensity of light emitted by them changes with time. ANSWER DOWNLOAD EXAMIANS APP
Physics Electrical Energy is the energy of Neutrons Protons All listed here Electrons Neutrons Protons All listed here Electrons ANSWER DOWNLOAD EXAMIANS APP
Physics A cup of hot coffee is placed on a metal table in a room. By which of the following methods does it lose heat? Conduction and radiation only Conduction and convection only Convection and radiation only Conduction, convection and radiation Conduction and radiation only Conduction and convection only Convection and radiation only Conduction, convection and radiation ANSWER DOWNLOAD EXAMIANS APP
Physics Two metallic wires made from copper have same length but the radius of wire 1 is half of that of wire 2. The resistance of wire 1 is R. If both the wires are joined together in series, the total resistance becomes 3R/4 5R/4 2R R/2 3R/4 5R/4 2R R/2 ANSWER DOWNLOAD EXAMIANS APP
Physics When light passes from one medium to another, this phenomenon of change in its direction is called ________ Propagation No option is correct Refraction Diffraction Propagation No option is correct Refraction Diffraction ANSWER DOWNLOAD EXAMIANS APP
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