Physics For which of the following substances, the resistance decreases with increase in temperature? Nichrome Pure silicon Copper Platinum Nichrome Pure silicon Copper Platinum ANSWER DOWNLOAD EXAMIANS APP
Physics An object covers distance which is directly proportional to the square of the time. Its accelaration is Zero Increasing Decreasing Constant Zero Increasing Decreasing Constant ANSWER DOWNLOAD EXAMIANS APP
Physics When a steel ball is placed on the surface of mercury, it does not sink because The density of mercury is greater than that of steel Of the surface tension of mercury Mercury is a semisolid Of the high viscosity of mercury The density of mercury is greater than that of steel Of the surface tension of mercury Mercury is a semisolid Of the high viscosity of mercury ANSWER DOWNLOAD EXAMIANS APP
Physics When milk is churned, the cream separates from it due to: Viscous forces Gravitational force Frictional force Centrifugal force Viscous forces Gravitational force Frictional force Centrifugal force ANSWER DOWNLOAD EXAMIANS APP
Physics Steam at 100°C causes more severe burns than water at 100°C because Water has latent heat of fusion Steam has no specific heat capacity Steam has latent heat of vaporisation Water has no specific heat capacity Water has latent heat of fusion Steam has no specific heat capacity Steam has latent heat of vaporisation Water has no specific heat capacity ANSWER DOWNLOAD EXAMIANS APP
Physics Which best describes how air moves during convection? Cool air is replaced by warm air Warm air falls down Cool air falls down Air always falls down Cool air is replaced by warm air Warm air falls down Cool air falls down Air always falls down ANSWER DOWNLOAD EXAMIANS APP
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