Physics Sound becomes hazardous noise pollution at decibels? Above 120 db Above 50 db Above 80 db Above 30 db Above 120 db Above 50 db Above 80 db Above 30 db ANSWER DOWNLOAD EXAMIANS APP
Physics What will happen if an object is dropped from a height and there is no air resistance? Both speed and acceleration will increase Its acceleration will increase It will fall with a constant speed and acceleration Its speed will increase Both speed and acceleration will increase Its acceleration will increase It will fall with a constant speed and acceleration Its speed will increase ANSWER DOWNLOAD EXAMIANS APP
Physics Blotting paper absorbs ink due to Capillary action phenomenon Diffusion of ink through the blotting Siphon action Viscosity of ink Capillary action phenomenon Diffusion of ink through the blotting Siphon action Viscosity of ink ANSWER DOWNLOAD EXAMIANS APP
Physics What is the principle of a ''Life Jacket"? It increases the volume of the person to keep him afloat It provides oxygen to a drowning person The person can sit on it like a raft It decreases the volume of the person to keep him afloat It increases the volume of the person to keep him afloat It provides oxygen to a drowning person The person can sit on it like a raft It decreases the volume of the person to keep him afloat ANSWER DOWNLOAD EXAMIANS APP
Physics Burns caused by steam are much severe than those caused by boiling water because Steam is gas and engulfs the body quickly Temperature of steam is higher Steam has latent heat Steam pierces through the pores of body quickly Steam is gas and engulfs the body quickly Temperature of steam is higher Steam has latent heat Steam pierces through the pores of body quickly ANSWER DOWNLOAD EXAMIANS APP
Physics Gas thermometers are more sensitive than the liquid thermometers because the gases Have high,specific heat Have large coefficient of expansion Are lighter Have low specific heat Have high,specific heat Have large coefficient of expansion Are lighter Have low specific heat ANSWER DOWNLOAD EXAMIANS APP