Physics Which of the following principle is used to produce ''low-temperatures' ? Adiabatic demagnetisation Joule-Kelvin effect Super conductivity Thermo-electric effect Adiabatic demagnetisation Joule-Kelvin effect Super conductivity Thermo-electric effect ANSWER DOWNLOAD EXAMIANS APP
Physics A fountain pen works on the principle of Bernoulli's principle Flow of liquids from higher to lower potential Viscosity of liquids Capillary action Bernoulli's principle Flow of liquids from higher to lower potential Viscosity of liquids Capillary action ANSWER DOWNLOAD EXAMIANS APP
Physics A metal plate with a circular hole at the centre is heated. What will happen to the area of the hole ? Dacrease Remain constant Increase Will increase first and then dcrease Dacrease Remain constant Increase Will increase first and then dcrease ANSWER DOWNLOAD EXAMIANS APP
Physics The damage of the human body due to radiation (X-rays or grays etc,) is measured in : Curie Rads Rems Roentgen Curie Rads Rems Roentgen ANSWER DOWNLOAD EXAMIANS APP
Physics The atmospheric air is held to the Earth by : Gravity Clouds Winds Rotation of the Earth Gravity Clouds Winds Rotation of the Earth ANSWER DOWNLOAD EXAMIANS APP
Physics Which is best used as a sound absorbing material in partition walls ? Steel Glass pieces Stone chips Glass - wool Steel Glass pieces Stone chips Glass - wool ANSWER DOWNLOAD EXAMIANS APP
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