Physics The velocity of the sound is highest in Metal Water Vacuum Air Metal Water Vacuum Air ANSWER DOWNLOAD EXAMIANS APP
Physics A soap bubble shows colours when illuminated with white light. This is due to Diffraction Polarisation Reflection Interference Diffraction Polarisation Reflection Interference 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. Fan cools surrounding air. Air vapourises the sweat on our body. We feel cool when air touches the body. Fan gives cool air. Fan cools surrounding air. Air vapourises the sweat on our body. ANSWER DOWNLOAD EXAMIANS APP
Physics Radio telescopes are better than optical telescopes because they can work even in cloudy conditions they can detect faint galaxies which no optical telescope can they can work during the day and night All of these they can work even in cloudy conditions they can detect faint galaxies which no optical telescope can they can work during the day and night All of these ANSWER DOWNLOAD EXAMIANS APP
Physics Water boils at a lower temperature on the hills because There is a decrease in air pressure on the hills It is cold on the hills There is less carbon dioxide on the hills There is less oxygen There is a decrease in air pressure on the hills It is cold on the hills There is less carbon dioxide on the hills There is less oxygen ANSWER DOWNLOAD EXAMIANS APP
Physics Conservation of energy refers to the fact that 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 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 ANSWER DOWNLOAD EXAMIANS APP
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