GK
BIG BANG THEORY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Angstrum
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Blue Shift
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Red Shift
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Big Bang Theory
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Detailed explanation-1: -Angstrom. Hint: Angstrom is used to express the wavelength. The wavelength is the distance between two wave crests, which is the same as the distance between two troughs. Formula: c = f where: c = the speed of light = 300, 000 km/s or 3.0×108m/s.
Detailed explanation-2: -NOTE: Wavelengths of visible light are measured in nanometers (nm). A nanometer is a unit of length equal to one billionth of a meter.
Detailed explanation-3: -Introduction: Wavelength is a length of one cycle of a wave that is the distance. The SI unit of wavelength is metre (m) and wavelength symbol is .
Detailed explanation-4: -Wavelength is usually denoted by the Greek letter lambda (); it is equal to the speed (v) of a wave train in a medium divided by its frequency (f): = v/f.