Physics A bomb explodes on the moon. You will hear its sound on earth after ________ 3.7 hours 2 hours 20 minutes You cannot hear the sound of explosion 20 minutes 3.7 hours 2 hours 20 minutes You cannot hear the sound of explosion 20 minutes ANSWER DOWNLOAD EXAMIANS APP
Physics The radiation initially produced in fluorescent tube is Microwaves X-rays Infrared Ultraviolet Microwaves X-rays Infrared Ultraviolet ANSWER DOWNLOAD EXAMIANS APP
Physics Gamma rays are emitions that have Neither mass nor charge Both mass and charge Charge but no mass Mass but no charge Neither mass nor charge Both mass and charge Charge but no mass Mass but no charge ANSWER DOWNLOAD EXAMIANS APP
Physics Optical Fibre technology works on which of these principles of Physics? Newton's law of Motion Total internal reflection of Light Photoelectric effect Bernoulli's Principle Newton's law of Motion Total internal reflection of Light Photoelectric effect Bernoulli's Principle ANSWER DOWNLOAD EXAMIANS APP
Physics Lightning heats the surrounding air to 300000 deg Cent 3000 deg Cent 300 deg Cent 30000 deg Cent 300000 deg Cent 3000 deg Cent 300 deg Cent 30000 deg Cent ANSWER DOWNLOAD EXAMIANS APP
Physics The scientist who first sent electromagnetic waves to distant places is James Clerk Maxwell Thomas Alva Edison Heinrich Hertz John Logie Baird James Clerk Maxwell Thomas Alva Edison Heinrich Hertz John Logie Baird ANSWER DOWNLOAD EXAMIANS APP