Physics Pipelines in cold countries often burst in winter, because Water freezes and expands in its volume Pipelines expand due to freezing Temperature of ice is less than that of water Pipelines contract in their volume Water freezes and expands in its volume Pipelines expand due to freezing Temperature of ice is less than that of water Pipelines contract in their volume ANSWER DOWNLOAD EXAMIANS APP
Physics Energy in reflected light : Increases with the increase in angle Decreases with the increase in angle of incidence Becomes maximum for angle of incidence equal to 45° Does not depends on the angle of incidence Increases with the increase in angle Decreases with the increase in angle of incidence Becomes maximum for angle of incidence equal to 45° Does not depends on the angle of incidence ANSWER DOWNLOAD EXAMIANS APP
Physics Lightning heats the surrounding air to 3000 deg Cent 30000 deg Cent 300000 deg Cent 300 deg Cent 3000 deg Cent 30000 deg Cent 300000 deg Cent 300 deg Cent ANSWER DOWNLOAD EXAMIANS APP
Physics The rate at which energy is transferred is called Volt Watt Power Potential Volt Watt Power Potential ANSWER DOWNLOAD EXAMIANS APP
Physics When a piece of pure silicon is doped with aluminium, then The resistivity of the doped silicon piece will increase The conductivity of the doped silicon piece will remain the same The doped silicon piece will become p-type The doped silicon piece will become n-type The resistivity of the doped silicon piece will increase The conductivity of the doped silicon piece will remain the same The doped silicon piece will become p-type The doped silicon piece will become n-type ANSWER DOWNLOAD EXAMIANS APP
Physics Coolis tube is used to produce Gama rays X-rays Micro waves Radio waves Gama rays X-rays Micro waves Radio waves ANSWER DOWNLOAD EXAMIANS APP
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