Physics Echo is heard due to Scattering Refraction Reflection Interference Scattering Refraction Reflection Interference ANSWER DOWNLOAD EXAMIANS APP
Physics For an ideal gas, which one of the following statements does not hold true? The speed of all gas molecules is same The kinetic energies of all gas molecules are not same There is no interactive force between the molecules. The potential energy of the gas molecules is zero The speed of all gas molecules is same The kinetic energies of all gas molecules are not same There is no interactive force between the molecules. The potential energy of the gas molecules is zero ANSWER DOWNLOAD EXAMIANS APP
Physics The colour of the ocean appears to be blue because the sunlight falling on it is Refracted Reflected Scattered Diffracted Refracted Reflected Scattered Diffracted ANSWER DOWNLOAD EXAMIANS APP
Physics The instrument which uses sound waves to measure the depth of oceans is Sonar Venturimeter Altimeter Radar Sonar Venturimeter Altimeter Radar ANSWER DOWNLOAD EXAMIANS APP
Physics Purity of a metal can be determined with the help of Pascal's law Archimedes principle Conservation of mass principle Boyle's law Pascal's law Archimedes principle Conservation of mass principle Boyle's law ANSWER DOWNLOAD EXAMIANS APP
Physics What is the principle of a ''Life Jacket"? It provides oxygen to a drowning person The person can sit on it like a raft It increases the volume of the person to keep him afloat It decreases the volume of the person to keep him afloat It provides oxygen to a drowning person The person can sit on it like a raft It increases the volume of the person to keep him afloat It decreases the volume of the person to keep him afloat ANSWER DOWNLOAD EXAMIANS APP