Physics Sound becomes hazardous noise pollution at decibels? Above 30 db Above 120 db Above 80 db Above 50 db Above 30 db Above 120 db Above 80 db Above 50 db ANSWER DOWNLOAD EXAMIANS APP
Physics Thermal expansion of materials arises from Weak bonds Strong bonds Asymmetry of potential energy curve Thermal vibrations Weak bonds Strong bonds Asymmetry of potential energy curve Thermal vibrations ANSWER DOWNLOAD EXAMIANS APP
Physics In a Cinema hall, the distance between the projector and the screen is increased by 2%. Then the intensity of illumination on the screen is Decreased by 4% Decreased by 2% Increased by 4% Increased by 2% Decreased by 4% Decreased by 2% Increased by 4% Increased by 2% ANSWER DOWNLOAD EXAMIANS APP
Physics The colours of stars depend on their Temperature Atmospheric pressure Distance Radius Temperature Atmospheric pressure Distance Radius ANSWER DOWNLOAD EXAMIANS APP
Physics In very cold countries alcohol is used as a thermometric liquid because It will not stick to the glass tube Alcohol can be coloured for its level to be seen easily Alcohol is a poor conductor of heat Its freezing point is very low It will not stick to the glass tube Alcohol can be coloured for its level to be seen easily Alcohol is a poor conductor of heat Its freezing point is very low ANSWER DOWNLOAD EXAMIANS APP
Physics Which one is not a part of Kepler's Law? Law of periods Law of orbits Law of areas Law of speed Law of periods Law of orbits Law of areas Law of speed ANSWER DOWNLOAD EXAMIANS APP
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