Physics The absolute refractive index of any medium is always: 1 More than one Less than one 1 More than one Less than one ANSWER DOWNLOAD EXAMIANS APP
Physics The waveform of a certain signal can be studied by P – n junction diode Cathode ray oscilloscope Spectrometer Sonometer P – n junction diode Cathode ray oscilloscope Spectrometer Sonometer ANSWER DOWNLOAD EXAMIANS APP
Physics The wavelength at which the peak of intensity of blackbody radiation occurs Does not follow any pattern as temperature changes Decreases with increase in temperature Is the same at all temperatures Increases with increase in temperature Does not follow any pattern as temperature changes Decreases with increase in temperature Is the same at all temperatures Increases with increase in temperature ANSWER DOWNLOAD EXAMIANS APP
Physics What is the phenomenon which established the transverse nature of light ? Polarisation Reflection Interference Diffraction Polarisation Reflection Interference Diffraction ANSWER DOWNLOAD EXAMIANS APP
Physics The electric current in a metal wire is due to the flow of - Ions Electrons Protons Holes Ions Electrons Protons Holes ANSWER DOWNLOAD EXAMIANS APP
Physics After long periods of use, a grey spot develops on the inside of a bulb. This is because The tungsten filament evaporates and collects there Dust inside the bulb condenses on the top The heat of the bulb scorches the glass at the top Glass undergoes a change due to the heat The tungsten filament evaporates and collects there Dust inside the bulb condenses on the top The heat of the bulb scorches the glass at the top Glass undergoes a change due to the heat ANSWER DOWNLOAD EXAMIANS APP