Physics After long periods of use, a grey spot develops on the inside of a bulb. This is because Glass undergoes a change due to the heat The tungsten filament evaporates and collects there Dust inside the bulb condenses on the top The heat of the bulb scorches the glass at the top Glass undergoes a change due to the heat The tungsten filament evaporates and collects there Dust inside the bulb condenses on the top The heat of the bulb scorches the glass at the top ANSWER DOWNLOAD EXAMIANS APP
Physics During thunderstorm you are travelling in a car. To protect yourself from the lightning you will have to Abandon the car and take shelter under a nearby tree Remain in the car Touch the nearest electric pole Get out of the car and lie flat in the ground Abandon the car and take shelter under a nearby tree Remain in the car Touch the nearest electric pole Get out of the car and lie flat in the ground ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is the unit of perceived loudness of sound ? Decibel Sone Phon Hertz Decibel Sone Phon Hertz ANSWER DOWNLOAD EXAMIANS APP
Physics To open a door easily, the handle should be fixed In the middle None of these Near the hinges Away from mid-point opposite to hinges In the middle None of these Near the hinges Away from mid-point opposite to hinges ANSWER DOWNLOAD EXAMIANS APP
Physics Why does ice covered in sawdust not melt quickly ? Sawdust is good conductor of heat The water is absorbed by sawdust Sawdust does not allow the air to touch the ice Sawdust is a bad conductor of heat Sawdust is good conductor of heat The water is absorbed by sawdust Sawdust does not allow the air to touch the ice Sawdust is a bad conductor of heat ANSWER DOWNLOAD EXAMIANS APP
Physics The blue colour of water in the sea is due to Reflection of blue sky by sea water Scattering of blue light by water molecules Reflection of blue light by impurities in sea water Absorption of other colours except blue by water molecules Reflection of blue sky by sea water Scattering of blue light by water molecules Reflection of blue light by impurities in sea water Absorption of other colours except blue by water molecules ANSWER DOWNLOAD EXAMIANS APP
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