Physics Sound becomes hazardous noise pollution at decibels? Above 30 db Above 50 db Above 80 db Above 120 db Above 30 db Above 50 db Above 80 db Above 120 db ANSWER DOWNLOAD EXAMIANS APP
Physics When a steel ball is placed on the surface of mercury, it does not sink because Of the surface tension of mercury Of the high viscosity of mercury The density of mercury is greater than that of steel Mercury is a semisolid Of the surface tension of mercury Of the high viscosity of mercury The density of mercury is greater than that of steel Mercury is a semisolid ANSWER DOWNLOAD EXAMIANS APP
Physics The Solar energy produced by Fusion reaction None Fission reaction Combustion reaction Fusion reaction None Fission reaction Combustion reaction ANSWER DOWNLOAD EXAMIANS APP
Physics Which type of mirror is used in the head lights of vehicles ? Convex mirror Parabolic mirror Plane mirror Concave mirror Convex mirror Parabolic mirror Plane mirror Concave mirror ANSWER DOWNLOAD EXAMIANS APP
Physics Gamma rays are emitions that have Mass but no charge Both mass and charge Charge but no mass Neither mass nor charge Mass but no charge Both mass and charge Charge but no mass Neither mass nor charge ANSWER DOWNLOAD EXAMIANS APP
Physics The value of coefficient of restitution in perfectly elastic collision is 0.5 1 2 0.5 1 2 ANSWER DOWNLOAD EXAMIANS APP
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