Physics Echo is heard due to Interference Refraction Scattering Reflection Interference Refraction Scattering Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is used to split white light into different colours ? Glass slab Concave lens Convex lens Prism Glass slab Concave lens Convex lens Prism ANSWER DOWNLOAD EXAMIANS APP
Physics Sound cannot pass through Air Steel Vacuum Water Air Steel Vacuum Water ANSWER DOWNLOAD EXAMIANS APP
Physics If density of oxygen is 16 times that of hydrogen, what will be their corresponding ratio of velocity of sound? 0.16736111111111 0.044444444444444 0.084027777777778 0.052777777777778 0.16736111111111 0.044444444444444 0.084027777777778 0.052777777777778 ANSWER DOWNLOAD EXAMIANS APP
Physics If there is a circular hole in a metal plate, what happens to the radius of the hole when the plate is heated? Unchanged Decreases Increases Depends upon the metal Unchanged Decreases Increases Depends upon the metal ANSWER DOWNLOAD EXAMIANS APP
Physics It is more difficult to walk on a sandy road than on a concrete road because the sand is grainy but concrete is smooth. the friction between sand and feet is less than that between concrete and feet. sand is soft and concreter is hard. the friction between sand and feet is more than that between concrete and feet. the sand is grainy but concrete is smooth. the friction between sand and feet is less than that between concrete and feet. sand is soft and concreter is hard. the friction between sand and feet is more than that between concrete and feet. ANSWER DOWNLOAD EXAMIANS APP