Physics After long periods of use, a grey spot develops on the inside of a bulb. This is because 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 Dust inside the bulb condenses on the top ANSWER DOWNLOAD EXAMIANS APP
Physics 'Parsec' is the unit measurement of Orbital velocity of giant stars Density of stars Brightness of heavenly bodies Astronomical distance Orbital velocity of giant stars Density of stars Brightness of heavenly bodies Astronomical distance ANSWER DOWNLOAD EXAMIANS APP
Physics Refrigeration is a process which Plasmolyses the bacteria Kills bacteria Slows down the bacterial growth Inactivates the bacteria Plasmolyses the bacteria Kills bacteria Slows down the bacterial growth Inactivates the bacteria ANSWER DOWNLOAD EXAMIANS APP
Physics A gas thermometer is more sensitive than a liquid thermometer because a gas : Expands more than a liquid Is lighter than liquid Does not change state easily Is easy to obtain Expands more than a liquid Is lighter than liquid Does not change state easily Is easy to obtain ANSWER DOWNLOAD EXAMIANS APP
Physics Ocean currents are an example of Conduction Radiation Insulation Convection Conduction Radiation Insulation Convection ANSWER DOWNLOAD EXAMIANS APP
Physics Hydro-electric power is a: A mixture of renewable and non-renewable natural resource non-renewable natural resource Neither renewable nor non renewable resource Renewable natural resource A mixture of renewable and non-renewable natural resource non-renewable natural resource Neither renewable nor non renewable resource Renewable natural resource ANSWER DOWNLOAD EXAMIANS APP
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