Physics In the atmosphere ultraviolet rays are absorbed by Oxygen Helium Nitrogen Ozone Oxygen Helium Nitrogen Ozone ANSWER DOWNLOAD EXAMIANS APP
Physics We feel cool when we sit near the fan, this is because We feel cool when air touches the body. Fan gives cool air. Air vapourises the sweat on our body. Fan cools surrounding air. We feel cool when air touches the body. Fan gives cool air. Air vapourises the sweat on our body. Fan cools surrounding air. ANSWER DOWNLOAD EXAMIANS APP
Physics A needle or a pin floats on the surface of water because of Viscosity Surface tension Surface energy Adhesive force Viscosity Surface tension Surface energy Adhesive force ANSWER DOWNLOAD EXAMIANS APP
Physics Conservation of energy refers to the fact that No chemical reaction is 100 percent efficient Energy cannot be created or destroyed but can be converted from one form to another The entropy of the universe is always increasing If you conserve energy you will not be as tired No chemical reaction is 100 percent efficient Energy cannot be created or destroyed but can be converted from one form to another The entropy of the universe is always increasing If you conserve energy you will not be as tired ANSWER DOWNLOAD EXAMIANS APP
Physics Contact force is another name for ________ Friction Electrostatic force Muscular force Magnetic force Friction Electrostatic force Muscular force Magnetic force ANSWER DOWNLOAD EXAMIANS APP
Physics The device used to convert solar energy into electricity is Galvanic cell Daniell cell Photovoltaic cell Electrochemical cell Galvanic cell Daniell cell Photovoltaic cell Electrochemical cell ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS