Physics Large astronomical telescopes always use as objective mirror combinations of lenses lens None of these mirror combinations of lenses lens None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Rain drops fall from great height. Which among the following statements is true regarding it? Their velocity increases and they fall with different velocity on the earth They fall with that ultimate velocity, which are different for different droplets Their velocity increases and they fall with same velocity on the earth They fall with same ultimate velocity Their velocity increases and they fall with different velocity on the earth They fall with that ultimate velocity, which are different for different droplets Their velocity increases and they fall with same velocity on the earth They fall with same ultimate velocity ANSWER DOWNLOAD EXAMIANS APP
Physics Sound cannot pass through Air Water Steel Vacuum Air Water Steel Vacuum ANSWER DOWNLOAD EXAMIANS APP
Physics Conservation of energy refers to the fact that The entropy of the universe is always increasing If you conserve energy you will not be as tired Energy cannot be created or destroyed but can be converted from one form to another No chemical reaction is 100 percent efficient The entropy of the universe is always increasing If you conserve energy you will not be as tired Energy cannot be created or destroyed but can be converted from one form to another No chemical reaction is 100 percent efficient ANSWER DOWNLOAD EXAMIANS APP
Physics Magnetic keepers are used to protect magnets from : Earth's magnetic field Self-demagnetization Effect of other magnets Demagnetization due to heating Earth's magnetic field Self-demagnetization Effect of other magnets Demagnetization due to heating ANSWER DOWNLOAD EXAMIANS APP
Physics Tap water is placed in an open pad and allowed to evaporate. After some time the temperature of water Increases to a great extent Increases slightly Decreases rapidly Decreases slightly Increases to a great extent Increases slightly Decreases rapidly Decreases slightly ANSWER DOWNLOAD EXAMIANS APP