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Some phenomenon based on scattering:
(i) Sky looks blue because of scattering.
(ii) At the starting time of sunrise or sunset sun looks reddish.
(iii) Danger signals are of red color.
Draw a picture of a moving source and the waves surrounding it according to what you observed in this experiment. How does the spacing of the wave-fronts in front of the source com
What are polar molecules Polar molecules - molecules having of two or more atoms that are neutral but have a charge which is not distributed uniformly.
Double sided printed circuit boards are used where a complex circuit with more number of ICs is to be accommodated. For preparing double sided PCB, base material has copper-clad on
Waves: A disturbance that travels by a medium is called wave.
Choroid: Inside the sclera it is thin, non transparent or opaque. Its front part of iris there is an aperture known as the pupil which control amount of light entering the eye.
a 8 microfarad capacitor is charged to V=120V. the charging battery is then removed and the capacitor is connected in parallel to an uncharged 4 microfarad capapcitor. (a) what is
A truck engine mass 5000kg is pulling a trailer mass 1000kg along a level track at an acceleration of 0.01.Resistance are 10N per 1000for the engine 5N per 1000kg for the trailer.
A helium nucleus and a neon nucleus are separated by a distance of 3.0 nm. The charge of the helium nucleus is +2e while that of a neon nucleus is + 10e .Find the magnitude of the
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The voltage across the terminals of a cell when it is supplying current to external resistance is known as potential difference or final voltage. Potential energy dissimilarity is
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