Physics Which of the following principle is used to produce ''low-temperatures' ? Super conductivity Adiabatic demagnetisation Thermo-electric effect Joule-Kelvin effect Super conductivity Adiabatic demagnetisation Thermo-electric effect Joule-Kelvin effect ANSWER DOWNLOAD EXAMIANS APP
Physics Burns caused by steam are much severe than those caused by boiling water because Temperature of steam is higher Steam has latent heat Steam pierces through the pores of body quickly Steam is gas and engulfs the body quickly Temperature of steam is higher Steam has latent heat Steam pierces through the pores of body quickly Steam is gas and engulfs the body quickly ANSWER DOWNLOAD EXAMIANS APP
Physics When a stone is thrown in the calm water of a pond the waves produced on the surface of water in the pond are Transverse Both longitudinal and transverse Waves are not produced Longitudinal Transverse Both longitudinal and transverse Waves are not produced Longitudinal ANSWER DOWNLOAD EXAMIANS APP
Physics Velocitation is the tendency to Be traveling at a speed that is faster than perceived Both A & B Be traveling at a speed that is slower than perceived None of these Be traveling at a speed that is faster than perceived Both A & B Be traveling at a speed that is slower than perceived None of these ANSWER DOWNLOAD EXAMIANS APP
Physics In the electrical circuit of a house, the fuse acts as A thermopile A load A step down device A safety device A thermopile A load A step down device A safety device ANSWER DOWNLOAD EXAMIANS APP
Physics A parachute descends slowly whereas a stone dropped from the same height falls rapidly, because Special mechanisms are present in parachute Stone is heavier than parachute None of these A parachute has a larger surface area and air resistance is more Special mechanisms are present in parachute Stone is heavier than parachute None of these A parachute has a larger surface area and air resistance is more ANSWER DOWNLOAD EXAMIANS APP
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