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Q. What are emissive and absorption spectra?
Emission spectrum:
When the light emitted straight from a source is examined with a spectrometer the emission spectrum is obtained. Each source has its own characteristic emission spectrum.
Absorption spectrum:
When the light released from a source is made to pass through an absorbing material and then examined with a spectrometer absorption spectrum is obtained.
Marine Application:- Suitably designed one or double speed squirrel cage induction motors are used.
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how to calculate the mass which causes a spring with a constant 12.5 n/m-1 to extend 12mm
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What is physics?
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