Help urgent please Help ASAP ne capaciloe The displacement cumnt between the pha

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Help urgent please

Help ASAP

ne capaciloe The displacement cumnt between the phases is (a) An electromagnetic wave in vacuum is shown in Fig Problem 16: & is along the s-axis and &s; atong the Paxis The direction of propugation of the wave Fig Problem 1(6 A light wave has a 670 nr wavelength in air. Its wavelength in a transparent solid is 420 nm. The speed of light in this solid is310 m/s) (7) (8) The incident unpolarized light has intensity lo If the angle between the polarizing axes of the two filters is 30, the last intensity transmitted by the two polarizers is 9) A particular nearsighted patient can't see objects clearly when they are beyond 20 cm. The power of the iers (in diopter) s- ) A beam of paraliel rays spreads out after passing through a thin diverge lens, as though ali the rays came from a point 20.0 cm from the center of the lens. An erect virtual image that is 1/3 the height of the object is formed by the lens. Then the object distance should be

Explanation / Answer

(5)Unreadable

(6)The direction of propagation will be along +x axis

We know that both B and E are perpendicular to each other and the direction of propagation of an EM wave.

(7)We know from the defination of refrective index

n = c/v = lambda(air)/lambda(med)

3 x 10^8/v = 670/420 = 1.595

v = 3 x 10^8 /1.595 = 1.881 x 10^8 m/s

Hence, v = 1.881 x 10^8 m/s

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