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Q. Why does the sky appear blue in colour?
As-per to the Rayleigh's scattering law the shorter wavelengths are scattered much more than the longer wavelengths. The blue look of sky is due to scattering of sunlight by the atmosphere. Blue light is scattered to a bigger extent than red light.
This scattered radiation results the sky to appear blue.
define
write a note on relative velocity.
Similarities in Construction of MOSFET and JFET (i) JFET is a three terminal semiconductor device (source, drain and gate) in which current conduction is by majority carriers
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The velocity with which the group of waves travels is called as group velocity or the velocity with which a ray packet goes is called as group velocity
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A monkey of mass m climbs a rope slung over a light frictionless pulley.The opposite end of the rope is tied to a block of Mass M lying on a smooth horizontal plane.Find the accele
If you "bow" a string on a violin you hear a note with a frequency of 1020 Hz. If the length of the string is about 40cm, what is the "wave" on the string? Draw a diagram to show
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