Physics Heat from the Sun reaches the Earth by Conduction Reflection Radiation Convection Conduction Reflection Radiation Convection ANSWER DOWNLOAD EXAMIANS APP
Physics Magnetic keepers are pieces of Nickel Soft iron Steel Cobalt Nickel Soft iron Steel Cobalt ANSWER DOWNLOAD EXAMIANS APP
Physics The waveform of a certain signal can be studied by Cathode ray oscilloscope Sonometer P – n junction diode Spectrometer Cathode ray oscilloscope Sonometer P – n junction diode Spectrometer ANSWER DOWNLOAD EXAMIANS APP
Physics A copper disc has a hole. If the disc is heated, the size of the hole First increases and than decreases Increases Decreases No change First increases and than decreases Increases Decreases No change ANSWER DOWNLOAD EXAMIANS APP
Physics In MRI machine, which one of the following is used? Sound wave X-ray Magnetic wave Ultra-sound wave Sound wave X-ray Magnetic wave Ultra-sound wave ANSWER DOWNLOAD EXAMIANS APP
Physics In a conductor The valence band and the conduction band overlap each other The forbidden energy gap is very narrow There is no conduction band The forbidden energy gap is very wide The valence band and the conduction band overlap each other The forbidden energy gap is very narrow There is no conduction band The forbidden energy gap is very wide ANSWER DOWNLOAD EXAMIANS APP
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