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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.
A sprinter runs 100.0 m. If he travels at constant acceleration of 1.95 m/s2 for the first 6.00 s, and then at constant velocity for the remaining time, what was his average veloci
derivations on above topic?
Define the Wave Nature of Sound Sound is called a longitudinal wave because the vibrations are in the same direction as the motion and speed of the wave. This is most easily pi
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INSTANTANEOUS ACCELERATION: The acceleration of the body at any certain instant during its motion is called to be an instantaneous acceleration.
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