Physics Ozone layer above the surface of Earth provides a shield against Ultra-violet rays Infra-red rays X-rays Gamma rays Ultra-violet rays Infra-red rays X-rays Gamma rays ANSWER DOWNLOAD EXAMIANS APP
Physics The instrument that measures and records the relative humidity of air is Hydrometer Barometer Hygrometer Lactometer Hydrometer Barometer Hygrometer Lactometer ANSWER DOWNLOAD EXAMIANS APP
Physics The working of a rocket is based on the principle of: Conservation of energy Conservation of mass Conservation of momentum Conservation of angular momentum Conservation of energy Conservation of mass Conservation of momentum Conservation of angular momentum ANSWER DOWNLOAD EXAMIANS APP
Physics Mud houses are cooler in summers and warmer in winters as compared to brick houses because Evaporation of water causes cooling in summers and sunlight coming through holes causes warming in winters Mud is a poor insulator Mud is a bad conductor Mud is a good conductor Evaporation of water causes cooling in summers and sunlight coming through holes causes warming in winters Mud is a poor insulator Mud is a bad conductor Mud is a good conductor ANSWER DOWNLOAD EXAMIANS APP
Physics Out of the following, which is not emitted by radioactive substance? Electromagnetic radiations Electrons Neutrons Alpha particles Electromagnetic radiations Electrons Neutrons Alpha particles ANSWER DOWNLOAD EXAMIANS APP
Physics Magnetic keepers are used to protect magnets from : Effect of other magnets Earth's magnetic field Self-demagnetization Demagnetization due to heating Effect of other magnets Earth's magnetic field Self-demagnetization Demagnetization due to heating ANSWER DOWNLOAD EXAMIANS APP