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 Least audible sound for most of the human ear is : 0.005 µ bar 5.0 µ bar 0.0002 µ bar 10.0 µ bar 0.005 µ bar 5.0 µ bar 0.0002 µ bar 10.0 µ bar ANSWER DOWNLOAD EXAMIANS APP
Physics Green house effect is the heating up of the Earth's atmosphere which is due to X-rays The infra-red rays The ultraviolet rays G-rays X-rays The infra-red rays The ultraviolet rays G-rays ANSWER DOWNLOAD EXAMIANS APP
Physics Hydro-electric power is a: A mixture of renewable and non-renewable natural resource Neither renewable nor non renewable resource non-renewable natural resource Renewable natural resource A mixture of renewable and non-renewable natural resource Neither renewable nor non renewable resource non-renewable natural resource Renewable natural resource ANSWER DOWNLOAD EXAMIANS APP
Physics A colour-blind person cannot Have persistence of vision Distinguish between certain colours See black colour See distant objects Have persistence of vision Distinguish between certain colours See black colour See distant objects ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following celestial bodies contains abundant quantities of helium-3, a potential source of energy ? Earth Moon Saturn Venus Earth Moon Saturn Venus ANSWER DOWNLOAD EXAMIANS APP
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