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 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 ANSWER DOWNLOAD EXAMIANS APP
Physics Flywheel is an important part of a steam engine because it : Helps the engine in keeping the speed uniform Accelerates the speed of the engine Gives strength to the engine Decreases the moment of inertia Helps the engine in keeping the speed uniform Accelerates the speed of the engine Gives strength to the engine Decreases the moment of inertia ANSWER DOWNLOAD EXAMIANS APP
Physics Which microscope is often used to view metal surfaces? None of these Scanning tunneling microscopes Electron microscopes Optical microscopes None of these Scanning tunneling microscopes Electron microscopes Optical microscopes ANSWER DOWNLOAD EXAMIANS APP
Physics What is the other name of Galileo's law of falling bodies? Law of motion Newton's third law Newton's second law Newton's first law Law of motion Newton's third law Newton's second law Newton's first law ANSWER DOWNLOAD EXAMIANS APP
Physics Stars twinkle because the distance of the stars from the earth changes with time. the refractive index of the different layers of the earth's atmosphere ch None of these the intensity of light emitted by them changes with time. the distance of the stars from the earth changes with time. the refractive index of the different layers of the earth's atmosphere ch None of these the intensity of light emitted by them changes with time. ANSWER DOWNLOAD EXAMIANS APP
Physics The metal whose electrical conductivity is more, is Silver Lead Aluminium Copper Silver Lead Aluminium Copper ANSWER DOWNLOAD EXAMIANS APP
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