Physics The oil in the wick of lamp rises due to Force of cohesion Pressure difference Low viscosity of oil Pheonomenon of capillarity Force of cohesion Pressure difference Low viscosity of oil Pheonomenon of capillarity ANSWER DOWNLOAD EXAMIANS APP
Physics An electron and a proton starting from rest get accelerated through potential difference of 100 kV. The final speed of the electron and the proton are Ve and Vp respectively. Which of the following relations is correct? Cannot be determined Ve > Vp Ve < Vp Ve = Vp Cannot be determined Ve > Vp Ve < Vp Ve = Vp ANSWER DOWNLOAD EXAMIANS APP
Physics Magnetism at the centre of a bar magnet is minimum maximum zero minimum or maximum minimum maximum zero minimum or maximum ANSWER DOWNLOAD EXAMIANS APP
Physics Why does bleeding occur through the nose in high mountainous regions ? The blood pressure of a person increases at high altitudes The blood pressure fluctuates and finally decreases drastically The pressure at high altitudes is greater than that on the plains The pressure of blood in capillaries is greater than the outside pressure The blood pressure of a person increases at high altitudes The blood pressure fluctuates and finally decreases drastically The pressure at high altitudes is greater than that on the plains The pressure of blood in capillaries is greater than the outside pressure ANSWER DOWNLOAD EXAMIANS APP
Physics The width of depletion layer of a P-N junction Is increased under reverse bias Increases with heavy doping Decreases with light doping Is independent of applied voltage Is increased under reverse bias Increases with heavy doping Decreases with light doping Is independent of applied voltage ANSWER DOWNLOAD EXAMIANS APP
Physics What is refractive index ? None of above It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. It is defined as the product of speed of light in medium and in vacuum. It is defined as the ratio of speed of light in the medium to the speed of light in vacuum. None of above It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. It is defined as the product of speed of light in medium and in vacuum. It is defined as the ratio of speed of light in the medium to the speed of light in vacuum. ANSWER DOWNLOAD EXAMIANS APP