Physics Sound travels at the fastest speed in vacuum steel water air vacuum steel water air ANSWER DOWNLOAD EXAMIANS APP
Physics Hydroscope is an instrument that shows changes in: None of these Atmospheric humidity Sound under water Density of liquid None of these Atmospheric humidity Sound under water Density of liquid ANSWER DOWNLOAD EXAMIANS APP
Physics The tidal waves on sea is mainly due to Gravitational Effect of Earth on Moon None of these Gravitational Effect of Sun on Earth Gravitational Effect of Moon on Earth Gravitational Effect of Earth on Moon None of these Gravitational Effect of Sun on Earth Gravitational Effect of Moon on Earth ANSWER DOWNLOAD EXAMIANS APP
Physics On a cold day when the room temperature is 15°C, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15°C, because : Plastics have a lower density than metals Metals are good conductors of heat Plastics have a higher thermal conductivity than metals Metals have higher thermal capacity than plastics Plastics have a lower density than metals Metals are good conductors of heat Plastics have a higher thermal conductivity than metals Metals have higher thermal capacity than plastics ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following laws validates the statement that matter can neither be created nor destroyed ? Law of conservation of energy Law of conservation of mass Law of osmosis Le Chatelier's Principle Law of conservation of energy Law of conservation of mass Law of osmosis Le Chatelier's Principle ANSWER DOWNLOAD EXAMIANS APP
Physics Earliest thermometer was developed by Celsius Kelvin Fahrenheit Galileo Celsius Kelvin Fahrenheit Galileo ANSWER DOWNLOAD EXAMIANS APP