Physics Echo is heard due to Scattering Refraction Interference Reflection Scattering Refraction Interference Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics Stationary wave is formed by Two waves of same frequency travelling in the opposite direction Two waves of same frequency travelling in the same direction Two waves of the same speed superposing A transverse wave superposing a longitudinal wave Two waves of same frequency travelling in the opposite direction Two waves of same frequency travelling in the same direction Two waves of the same speed superposing A transverse wave superposing a longitudinal wave ANSWER DOWNLOAD EXAMIANS APP
Physics Radiocarbon is produced in the atmosphere as a result of Lightning discharge in atmosphere. Action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere. Action of ultraviolet light from the sun on atmospheric oxygen. Collision between fast neutrons and nitrogen nuclei present in the atmosphere. Lightning discharge in atmosphere. Action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere. Action of ultraviolet light from the sun on atmospheric oxygen. Collision between fast neutrons and nitrogen nuclei present in the atmosphere. ANSWER DOWNLOAD EXAMIANS APP
Physics If a barometric reading is falling, this usually indicates what None No pressure Increasing pressure Decreasing pressure None No pressure Increasing pressure Decreasing pressure ANSWER DOWNLOAD EXAMIANS APP
Physics A hydrogen balloon floats up because of Weight of the balloon is less than the weight of air displaced by it. Air pressure decreases with decrease in weight The pressure inside the balloon is more than the pressure outside it Air pressure decreases with decrease in height Weight of the balloon is less than the weight of air displaced by it. Air pressure decreases with decrease in weight The pressure inside the balloon is more than the pressure outside it Air pressure decreases with decrease in height ANSWER DOWNLOAD EXAMIANS APP
Physics Pure water is bad conductor of electricity because it is Feebly ionized A non-polar solvent A very good solvent Not volatile Feebly ionized A non-polar solvent A very good solvent Not volatile ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS