Physics Rainbow is produced when sunlight fall on drops of rain. Which of the following physical phenomena are responsible for this? I.Diffusion II.Refraction III.Internal reflection I and III II and III I and II I, II and III I and III II and III I and II I, II and III ANSWER DOWNLOAD EXAMIANS APP
Physics The blue colour of water in the sea is due to Reflection of blue light by impurities in sea water Reflection of blue sky by sea water Absorption of other colours except blue by water molecules Scattering of blue light by water molecules Reflection of blue light by impurities in sea water Reflection of blue sky by sea water Absorption of other colours except blue by water molecules Scattering of blue light by water molecules ANSWER DOWNLOAD EXAMIANS APP
Physics X–rays are Negatively charged particles None of these Positively charged particles Neutral particles Negatively charged particles None of these Positively charged particles Neutral particles ANSWER DOWNLOAD EXAMIANS APP
Physics The different colours of different stars are due to the variation of Temperature Radiation from them Pressure Density Temperature Radiation from them Pressure Density ANSWER DOWNLOAD EXAMIANS APP
Physics Outside of cooking utensils are generally left black from below because It is difficult to clean daily. Black surface is a good conductor of heat. Black surface is a poor conductor of heat. Black surface is a good absorber of heat. It is difficult to clean daily. Black surface is a good conductor of heat. Black surface is a poor conductor of heat. Black surface is a good absorber of heat. ANSWER DOWNLOAD EXAMIANS APP
Physics 'Parsec' is the unit measurement of Brightness of heavenly bodies Astronomical distance Density of stars Orbital velocity of giant stars Brightness of heavenly bodies Astronomical distance Density of stars Orbital velocity of giant stars ANSWER DOWNLOAD EXAMIANS APP