Physics Why is it difficult to breathe at higher altitudes? Due to ozone Due to low temperature Due to low air pressure Due to high humidity Due to ozone Due to low temperature Due to low air pressure Due to high humidity ANSWER DOWNLOAD EXAMIANS APP
Physics A man standing at the top of a tower has two spheres A and B. He drops sphere A downwards and throws sphere B horizontally at the same time. Which of the following is correct ? A will reach the ground first. Both the spheres will reach the ground simultaneously. B will reach the ground first. The question is incomplete because the masses of the spheres are not given. A will reach the ground first. Both the spheres will reach the ground simultaneously. B will reach the ground first. The question is incomplete because the masses of the spheres are not given. ANSWER DOWNLOAD EXAMIANS APP
Physics Which tube used to produce X-ray? None of these Coolidge tube Roentgen X-ray tube None of these Coolidge tube Roentgen X-ray tube ANSWER DOWNLOAD EXAMIANS APP
Physics Sun's heat reaches us by Reflection Radiation Convection Conduction Reflection Radiation Convection Conduction ANSWER DOWNLOAD EXAMIANS APP
Physics What type of heat transfer is boiling water? Conduction None of these Convection Radiation Conduction None of these Convection Radiation ANSWER DOWNLOAD EXAMIANS APP
Physics The increasing order of the refractive index of certain materials is (left to right) ________ Rock Salt, Ice, Benzene, Kerosene Kerosene, Ice, Benzene, Rock Salt Rocksalt, Benzene, Kerosene, Ice Ice, Kerosene, Benzene, Rock Salt Rock Salt, Ice, Benzene, Kerosene Kerosene, Ice, Benzene, Rock Salt Rocksalt, Benzene, Kerosene, Ice Ice, Kerosene, Benzene, Rock Salt ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS