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a. Explain the following terms in connection with electro-magnetic waves:
(i) Transverse waves (ii) Power density
(iii) Wave impedance (iv) Polarization
b. State the characteristics of antennas isolated from surfaces which will change their radiation patterns and efficiency.
Light is quantized. Photons are light quanta. It has zero REST mass. Therefore, it always travels at maximum speed permitted by relativity
Derive the mathematical expression for refractive index in terms of the angle of the prism and angle of minimum deviation.
Awhat is angle of projection of body thrown from inclined plane of 37degree so that body hits inclined plane normalysk question #Minimum 100 words accepted#
Q. Illustrate why does the pilot tilt the outer wing of the airplane inward while taking a turn? Answer:- Airplanes have two control surfaces implicated when turning the a
1 Coulumb Charges: 1 coulumb charge is that amount of charge which when placed 1 m from an identical charge in vacuum which repels it with a force of 8.99 × 109 N.
Explain the term 'resistivity' and write its S. I . unit. Derive the expression for the resistivity of a conductor in terms of number density of free electrons and relaxation time.
#question.introduction .
what is the wavelength of light
Vector Addition The Order Does NOT Matter The question frequent arises as to the significance of the order in that the vectors are added. For example, if five vectors are added
give some example problem in this chapter
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