Physics Which of the following waves cannot be polarised? Ultrasonic Radio Infrared Ultra violet Ultrasonic Radio Infrared Ultra violet ANSWER DOWNLOAD EXAMIANS APP
Physics What type of lens is used in a magnifying glass Plano-concave None of these Convex Concave Plano-concave None of these Convex Concave ANSWER DOWNLOAD EXAMIANS APP
Physics Ozone layer in the outer atmosphere helps us in Absorbing UV radiations Regulating the temperature of atmosphere Reflecting radio waves and makes radio communication possible Absorbing cosmic ray particles Absorbing UV radiations Regulating the temperature of atmosphere Reflecting radio waves and makes radio communication possible Absorbing cosmic ray particles ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following are methods of heat transfer? Convection Revolution Evaporation Thermal Expansion Convection Revolution Evaporation Thermal Expansion ANSWER DOWNLOAD EXAMIANS APP
Physics A small drop of oil spreads over water because : Water has a higher surface tension Water has a higher viscosity Oil has a higher viscosity Oil has a higher surface tension Water has a higher surface tension Water has a higher viscosity Oil has a higher viscosity Oil has a higher surface tension ANSWER DOWNLOAD EXAMIANS APP
Physics A small gap is left at the joints of rails in a railway track to Keep the rails equidistant Avoid the heating of tracks to high temperature Avoid the tracks being distorted due to seasonal temperature variation Control the speed of train Keep the rails equidistant Avoid the heating of tracks to high temperature Avoid the tracks being distorted due to seasonal temperature variation Control the speed of train ANSWER DOWNLOAD EXAMIANS APP
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