AP EAMCET Engineering 20 Apr 2019 Shift 1 Paper

Section: Physics

Question : 115 of 160

Marks: +1, -0

An electromagnetic wave of frequency 1 × 1014 Hz is propagating along Z-axis. The amplitude of electric field is 4 Vm−1 , then energy density of electric field will be
(Permittivity of force space = 8.8 × 10−12C2N−1m−2)

35.2 × 10−13Jm−3
70.4 × 10−13Jm−3
70.4 × 10−12Jm−3
35.2 × 10−12Jm−3

Validate

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