Physics A needle or a pin floats on the surface of water because of Surface energy Adhesive force Viscosity Surface tension Surface energy Adhesive force Viscosity Surface tension ANSWER DOWNLOAD EXAMIANS APP
Physics Sun appears red in colour at sunrise and sunset due to Red light having longer wave length scatters away The fact that sun emits only red colour at that time That sun comes out of the mountains That all other colours scatter away except red Red light having longer wave length scatters away The fact that sun emits only red colour at that time That sun comes out of the mountains That all other colours scatter away except red ANSWER DOWNLOAD EXAMIANS APP
Physics A bomb at rest explodes into a large number of tiny fragments. The total momentum of all the fragments Is infinity Depends on the speeds of various fragments Is zero Depends on the total mass of all the fragments Is infinity Depends on the speeds of various fragments Is zero Depends on the total mass of all the fragments ANSWER DOWNLOAD EXAMIANS APP
Physics The unit of noise pollution (level) is : Decimal Ppm None of these Decibel Decimal Ppm None of these Decibel ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following processes is responsible for the glittering of air bubble rising through water? Reflection of light Refraction of light Total internal reflection of light Scattering of light Reflection of light Refraction of light Total internal reflection of light Scattering of light 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 The density of mercury is greater than that of steel Mercury is a semisolid Of the high viscosity of mercury Of the surface tension of mercury The density of mercury is greater than that of steel Mercury is a semisolid Of the high viscosity of mercury ANSWER DOWNLOAD EXAMIANS APP