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 Glass undergoes a change due to the heat Dust inside the bulb condenses on the top The tungsten filament evaporates and collects there The heat of the bulb scorches the glass at the top Glass undergoes a change due to the heat Dust inside the bulb condenses on the top The tungsten filament evaporates and collects there ANSWER DOWNLOAD EXAMIANS APP
Physics The waveform of a certain signal can be studied by P – n junction diode Spectrometer Cathode ray oscilloscope Sonometer P – n junction diode Spectrometer Cathode ray oscilloscope Sonometer ANSWER DOWNLOAD EXAMIANS APP
Physics Which one among the following is not an electromagnetic wave? X-Ray R-Ray Infrared Ray Cathode Ray X-Ray R-Ray Infrared Ray Cathode Ray ANSWER DOWNLOAD EXAMIANS APP
Physics The energy of a photon varies directly with its Speed Frequency None of these Wave length Speed Frequency None of these Wave length ANSWER DOWNLOAD EXAMIANS APP
Physics The force exerted by a magnet is an example of ________ Contact force Muscular force Non-contact force Electrostatic force Contact force Muscular force Non-contact force Electrostatic force ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following occurred first ? Albert Einstein propounded the General Theory of Relativity Guglielmo Marconi sent out the first wireless signals Max Planck unveiled the Quantum Theory Wright Brothers successfully flew an aircraft Albert Einstein propounded the General Theory of Relativity Guglielmo Marconi sent out the first wireless signals Max Planck unveiled the Quantum Theory Wright Brothers successfully flew an aircraft ANSWER DOWNLOAD EXAMIANS APP
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