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 II and III I, II and III I and III I and II II and III I, II and III I and III I and II ANSWER DOWNLOAD EXAMIANS APP
Physics Atomic packing factor of body centred cubic structure (bcc) is 0.73 0.69 0.68 0.63 0.73 0.69 0.68 0.63 ANSWER DOWNLOAD EXAMIANS APP
Physics The method of magnetisation is: Passing alternating current through it Hammering a magnet Heating a magnet Passing direct current through it Passing alternating current through it Hammering a magnet Heating a magnet Passing direct current through it ANSWER DOWNLOAD EXAMIANS APP
Physics Water has maximum density at 100°C 0°C 4°C 273°C 100°C 0°C 4°C 273°C ANSWER DOWNLOAD EXAMIANS APP
Physics While catching a ball, a player pulls down his hands to lower the– Catching time Momentum Impulse Force Catching time Momentum Impulse Force ANSWER DOWNLOAD EXAMIANS APP
Physics It is more difficult to walk on a sandy road than on a concrete road because sand is soft and concreter is hard. the friction between sand and feet is less than that between concrete and feet. the friction between sand and feet is more than that between concrete and feet. the sand is grainy but concrete is smooth. sand is soft and concreter is hard. the friction between sand and feet is less than that between concrete and feet. the friction between sand and feet is more than that between concrete and feet. the sand is grainy but concrete is smooth. ANSWER DOWNLOAD EXAMIANS APP