Physics After long periods of use, a grey spot develops on the inside of a bulb. This is because 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 The tungsten filament evaporates and collects there Dust inside the bulb condenses on the top Glass undergoes a change due to the heat ANSWER DOWNLOAD EXAMIANS APP
Physics The flow of thermal energy is called Current Voltage Potential Heat Current Voltage Potential Heat ANSWER DOWNLOAD EXAMIANS APP
Physics The safest hammers are those with heads that are Chiseled and drop forged Welded and alloyed Cast steel and chiseled Alloy and drop-forged steel Chiseled and drop forged Welded and alloyed Cast steel and chiseled Alloy and drop-forged steel ANSWER DOWNLOAD EXAMIANS APP
Physics Rainbow is produced when sunlight fall on drops of rain. Which of the following physical phenomena are responsible for this? I.Diffusion II.Refraction III.Internal reflection I and III I, II and III I and II II and III I and III I, II and III I and II II and III ANSWER DOWNLOAD EXAMIANS APP
Physics Which alternative energy source is exhaustible? Wind energy Tidal energy Solar energy Geothermal energy Wind energy Tidal energy Solar energy Geothermal energy ANSWER DOWNLOAD EXAMIANS APP
Physics In SONAR which kind of wave is used? Audible sound Radio Ultrasonic Infrasonic Audible sound Radio Ultrasonic Infrasonic ANSWER DOWNLOAD EXAMIANS APP
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