Physics A metal plate with a circular hole at the centre is heated. What will happen to the area of the hole ? Will increase first and then dcrease Dacrease Remain constant Increase Will increase first and then dcrease Dacrease Remain constant Increase ANSWER DOWNLOAD EXAMIANS APP
Physics Convex mirror is generally used in ________ Reflector for head light Opthalmoscope Solar cookers Rear view mirror Reflector for head light Opthalmoscope Solar cookers Rear view mirror ANSWER DOWNLOAD EXAMIANS APP
Physics Safety fuse wire used in domestic electrical appliances is made of metal of low Melting point Specific gravity Resistance Conductance Melting point Specific gravity Resistance Conductance ANSWER DOWNLOAD EXAMIANS APP
Physics Which sources produce alternating current (AC)? Batteries Hydro-electric generators All of these Solar power plants Batteries Hydro-electric generators All of these Solar power plants ANSWER DOWNLOAD EXAMIANS APP
Physics Ice cubes are added to a glass of pure water and a glass of pure alcohol. The ice would be At a higher level in water At a higher level in alcohol Floating in alcohol and sinking in water At the same level in both At a higher level in water At a higher level in alcohol Floating in alcohol and sinking in water At the same level in both ANSWER DOWNLOAD EXAMIANS APP
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