Physics A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity will Decrease Increase Have its shape changed Remain unaffected Decrease Increase Have its shape changed Remain unaffected ANSWER DOWNLOAD EXAMIANS APP
Physics A solid needle placed horizontally on the surface of the water floats due to Capillary action Viscosity of water Water pressure Surface tension of water Capillary action Viscosity of water Water pressure Surface tension of water ANSWER DOWNLOAD EXAMIANS APP
Physics When an electric bulb breaks, there is an explosive sound. That is due to The air outside rushing in to fill the vacuum inside the bulb The chemical reaction between the gases inside the bulb The compressed gases inside rushing out suddenly None of these The air outside rushing in to fill the vacuum inside the bulb The chemical reaction between the gases inside the bulb The compressed gases inside rushing out suddenly None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Ventilators are provided near the ceiling of the room because These do not look nice in the lower part The exhaled warmer air rises up and goes out These provide some sunlight in the room These provide cross ventilation in the room These do not look nice in the lower part The exhaled warmer air rises up and goes out These provide some sunlight in the room These provide cross ventilation in the room ANSWER DOWNLOAD EXAMIANS APP
Physics The Laser is a beam of radiations which are Non-coherent and non-monochromatic Non-coherent and monochromatic Coherent and non-monochromatic Coherent and monochromatic Non-coherent and non-monochromatic Non-coherent and monochromatic Coherent and non-monochromatic Coherent and monochromatic ANSWER DOWNLOAD EXAMIANS APP
Physics Alcohol is more volatile than water because ________ is lower than water. Its boiling point Its surface tension Its viscosity Its density Its boiling point Its surface tension Its viscosity Its density ANSWER DOWNLOAD EXAMIANS APP
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