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 Dust inside the bulb condenses on the top Glass undergoes a change due to the heat The heat of the bulb scorches the glass at the top The tungsten filament evaporates and collects there Dust inside the bulb condenses on the top Glass undergoes a change due to the heat The heat of the bulb scorches the glass at the top ANSWER DOWNLOAD EXAMIANS APP
Physics A small drop of oil spreads over water because : Oil has a higher viscosity Water has a higher viscosity Water has a higher surface tension Oil has a higher surface tension Oil has a higher viscosity Water has a higher viscosity Water has a higher surface tension Oil has a higher surface tension ANSWER DOWNLOAD EXAMIANS APP
Physics Green house effect is the heating up of the Earth's atmosphere which is due to The ultraviolet rays X-rays G-rays The infra-red rays The ultraviolet rays X-rays G-rays The infra-red rays ANSWER DOWNLOAD EXAMIANS APP
Physics A rear-view mirror for driving is Plain Inverted Convex Concave Plain Inverted Convex Concave ANSWER DOWNLOAD EXAMIANS APP
Physics Which phenomena shows the particle nature of light? Diffraction Interference Photoelectric effect Polarisation Diffraction Interference Photoelectric effect Polarisation ANSWER DOWNLOAD EXAMIANS APP
Physics For every action, there is an equal and opposite reaction, is Newton's Fourth law First law Third law Second law Fourth law First law Third law Second law ANSWER DOWNLOAD EXAMIANS APP
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