Physics Which of the following principle is used to produce ''low-temperatures' ? Joule-Kelvin effect Thermo-electric effect Super conductivity Adiabatic demagnetisation Joule-Kelvin effect Thermo-electric effect Super conductivity Adiabatic demagnetisation ANSWER DOWNLOAD EXAMIANS APP
Physics An optically plane surface reflects a beam of light As parallel beams in all directions As a diffused beam in one direction As a parallel beam in one direction As diffused beams in all directions As parallel beams in all directions As a diffused beam in one direction As a parallel beam in one direction As diffused beams in all directions ANSWER DOWNLOAD EXAMIANS APP
Physics Sun appears red in colour at sunrise and sunset due to That sun comes out of the mountains That all other colours scatter away except red The fact that sun emits only red colour at that time Red light having longer wave length scatters away That sun comes out of the mountains That all other colours scatter away except red The fact that sun emits only red colour at that time Red light having longer wave length scatters away ANSWER DOWNLOAD EXAMIANS APP
Physics Tesla is a unit of magnetic : Induction Moment Field Flux Induction Moment Field Flux ANSWER DOWNLOAD EXAMIANS APP
Physics The pressure exerted by a 760 mm column of mercury at 0°C is known as 1 atmosphere 1 pascal 1 poise 1 bar 1 atmosphere 1 pascal 1 poise 1 bar ANSWER DOWNLOAD EXAMIANS APP
Physics A parallel-plate capacitor,with air in between the plates, has capacitance C. Now the space between the two plates of the capacitor is filled with a dielectric of dielectric constant 7. Then the value of the capacitance will become C 7C C/7 14C C 7C C/7 14C ANSWER DOWNLOAD EXAMIANS APP
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