Physics After long periods of use, a grey spot develops on the inside of a bulb. This is because Dust inside the bulb condenses on the top The tungsten filament evaporates and collects there Glass undergoes a change due to the heat The heat of the bulb scorches the glass at the top Dust inside the bulb condenses on the top The tungsten filament evaporates and collects there Glass undergoes a change due to the heat The heat of the bulb scorches the glass at the top ANSWER DOWNLOAD EXAMIANS APP
Physics Hot water is poured simultaneously in four metallic tumblers painted outside with different paints. After some time the water will be found to have cooled most in the tumbler painted. Shining black Shining white Rough white Rough black Shining black Shining white Rough white Rough black ANSWER DOWNLOAD EXAMIANS APP
Physics An electric iron of 750 W is used for S hours per day. Then the energy consumed in one day by the iron is: 6 units 60 units 0.6 units 600 units 6 units 60 units 0.6 units 600 units ANSWER DOWNLOAD EXAMIANS APP
Physics For a freely falling body, the sum of kinetic energy and potential energy is always Zero Same Unity Variable Zero Same Unity Variable ANSWER DOWNLOAD EXAMIANS APP
Physics Kilowatt-hour is the unit of : Momentum Energy Power Force Momentum Energy Power Force ANSWER DOWNLOAD EXAMIANS APP
Physics The force which makes a vehicle to stop when break is applied is called Vanderwalls force Gravitational force Covalant force Frictional force Vanderwalls force Gravitational force Covalant force Frictional force ANSWER DOWNLOAD EXAMIANS APP
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