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 The heat of the bulb scorches the glass at the top Dust inside the bulb condenses on the top Glass undergoes a change due to the heat The tungsten filament evaporates and collects there The heat of the bulb scorches the glass at the top Dust inside the bulb condenses on the top ANSWER DOWNLOAD EXAMIANS APP
Physics In a diesel engine the high temperature needed to ignite the fuel is achieved by Using heat from exhaust Compressing air in the cylinders The battery An electrical spark Using heat from exhaust Compressing air in the cylinders The battery An electrical spark ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following pairs of physical quantities have the same dimensions? Momentum and Power Work and Energy Force and Power Work and Power Momentum and Power Work and Energy Force and Power Work and Power ANSWER DOWNLOAD EXAMIANS APP
Physics X–rays are None of these Positively charged particles Negatively charged particles Neutral particles None of these Positively charged particles Negatively charged particles Neutral particles ANSWER DOWNLOAD EXAMIANS APP
Physics Water drops cannot stick to the oily surface due to Cannot mix each other Water is lighter than oil Surface tension Lack of adhesive force Cannot mix each other Water is lighter than oil Surface tension Lack of adhesive force ANSWER DOWNLOAD EXAMIANS APP
Physics If a band is played on the moon the sound will Be heard by us faintly Not be heard at any distance at all from it Be heard upto 10km from it Reverberate Be heard by us faintly Not be heard at any distance at all from it Be heard upto 10km from it Reverberate ANSWER DOWNLOAD EXAMIANS APP