Physics Sound becomes hazardous noise pollution at decibels? Above 50 db Above 120 db Above 80 db Above 30 db Above 50 db Above 120 db Above 80 db Above 30 db ANSWER DOWNLOAD EXAMIANS APP
Physics Find the current (in A) when a charge of 500 Coulomb flows in 25 seconds. 20 40 12500 6250 20 40 12500 6250 ANSWER DOWNLOAD EXAMIANS APP
Physics What type of lens is a magnifying glass? Diverging Converging Spherical Achromatic Diverging Converging Spherical Achromatic ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following instruments is used to study dispersion of light ? Spectrometer Microscope Photometer Telescope Spectrometer Microscope Photometer Telescope ANSWER DOWNLOAD EXAMIANS APP
Physics Lightning is produced when Water vapour produces electricity in the clouds Clouds strike against impurities in air and the friction burns up these impurities Similar charges of electricity rush towards each other and then get repelled Strong opposite charges in different clouds break down the resistance offered by the intervening air Water vapour produces electricity in the clouds Clouds strike against impurities in air and the friction burns up these impurities Similar charges of electricity rush towards each other and then get repelled Strong opposite charges in different clouds break down the resistance offered by the intervening air ANSWER DOWNLOAD EXAMIANS APP
Physics The primary agent of contact metamorphism is Weathering Temperature Flowing water Pressure Weathering Temperature Flowing water Pressure ANSWER DOWNLOAD EXAMIANS APP