Physics What type of heat transfer is boiling water? None of these Radiation Conduction Convection None of these Radiation Conduction Convection ANSWER DOWNLOAD EXAMIANS APP
Physics Superconductors are substances which conduct electricity at high temperatures offer no resistance to the flow of electricity conduct electricity at low temperature offer high resistance to the flow of current conduct electricity at high temperatures offer no resistance to the flow of electricity conduct electricity at low temperature offer high resistance to the flow of current ANSWER DOWNLOAD EXAMIANS APP
Physics Find the resistance (in mega) of a wire of length 20m, cross sectional area 1 cm2 and made of a material of resistivity 200m. 80 2000 4000 40 80 2000 4000 40 ANSWER DOWNLOAD EXAMIANS APP
Physics Convex mirrors are used as a rear view mirror in motor cycles because It forms erect (upright) image It forms smaller image as compared with object It forms real image All of these It forms erect (upright) image It forms smaller image as compared with object It forms real image All of these ANSWER DOWNLOAD EXAMIANS APP
Physics Danger signals are generally red as red light Has lowest velocity Undergoes least deviation Is least bright Gives comfort to eye Has lowest velocity Undergoes least deviation Is least bright Gives comfort to eye ANSWER DOWNLOAD EXAMIANS APP
Physics Knot is a measure of Solar radiation Intensity of earthquake shock The curvature of spherical objects The speed of ship Solar radiation Intensity of earthquake shock The curvature of spherical objects The speed of ship ANSWER DOWNLOAD EXAMIANS APP
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