Physics If there is a circular hole in a metal plate, what happens to the radius of the hole when the plate is heated? Increases Unchanged Decreases Depends upon the metal Increases Unchanged Decreases Depends upon the metal ANSWER DOWNLOAD EXAMIANS APP
Physics Beta rays emitted by a radioactive material are The electrons orbiting around the nucleus Electromagnetic radiations Neutral particles Charged particles emitted by nucleus The electrons orbiting around the nucleus Electromagnetic radiations Neutral particles Charged particles emitted by nucleus ANSWER DOWNLOAD EXAMIANS APP
Physics What changes will happen to a bowl of ice and water kept at exactly zero degree Celsius ? Only some ice will melt All ice will melt All water will become ice No change will happen Only some ice will melt All ice will melt All water will become ice No change will happen ANSWER DOWNLOAD EXAMIANS APP
Physics The absorption of ink by blotting paper involves: Viscosity of ink Siphon action Diffusion of ink through the blotting Capillary action phenomenon Viscosity of ink Siphon action Diffusion of ink through the blotting Capillary action phenomenon ANSWER DOWNLOAD EXAMIANS APP
Physics When light passes from one medium to another, this phenomenon of change in its direction is called ________ Diffraction Propagation No option is correct Refraction Diffraction Propagation No option is correct Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics Thermohaline circulation is mainly due to Warm water being added to the ocean due to industial waste Cold, dense ocean water sinking and warmer water replacing it Warmer, less dense water sinking in the ocean and cold water replacing it Winds causing circulation of ocean water Warm water being added to the ocean due to industial waste Cold, dense ocean water sinking and warmer water replacing it Warmer, less dense water sinking in the ocean and cold water replacing it Winds causing circulation of ocean water ANSWER DOWNLOAD EXAMIANS APP
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