Physics The Laser is a beam of radiations which are Coherent and non-monochromatic Coherent and monochromatic Non-coherent and non-monochromatic Non-coherent and monochromatic Coherent and non-monochromatic Coherent and monochromatic Non-coherent and non-monochromatic Non-coherent and monochromatic ANSWER DOWNLOAD EXAMIANS APP
Physics Which has the lowest albedo? Both A & B None of these Dark surfaces Light surfaces Both A & B None of these Dark surfaces Light surfaces ANSWER DOWNLOAD EXAMIANS APP
Physics The alluminating powers of two sources are compared by A spectrometer A photometer A polarimeter A fluxmeter A spectrometer A photometer A polarimeter A fluxmeter ANSWER DOWNLOAD EXAMIANS APP
Physics When pressure is increased the melting point of ice Increases Decreases Depends on the impurities in the ice Does not change Increases Decreases Depends on the impurities in the ice Does not change ANSWER DOWNLOAD EXAMIANS APP
Physics After long periods of use, a grey spot develops on the inside of a bulb. This is because Dust inside the bulb condenses on the top Glass undergoes a change due to the heat The tungsten filament evaporates and collects there The heat of the bulb scorches the glass at the top Dust inside the bulb condenses on the top Glass undergoes a change due to the heat The tungsten filament evaporates and collects there The heat of the bulb scorches the glass at the top ANSWER DOWNLOAD EXAMIANS APP
Physics Red light is used for signals because it has Long wavelength High frequency High intensity Low refraction in the medium Long wavelength High frequency High intensity Low refraction in the medium ANSWER DOWNLOAD EXAMIANS APP