In an electromagnetic wave, the amplitude of electric field is 1 V/m. The frequency of…
Physics · NEET · NTA Exams — Electromagnetic Waves
In an electromagnetic wave, the amplitude of electric field is 1 V/m. The frequency of wave is m 5 × 1014 Hz and is moving along Z-axis. What is the average energy density of electric field ?
- 2.2 × 10–12 J/m3
- 6.6 × 10–12 J/m3
- 8.8 × 10–12 J/m3
- 4.4 × 10–12 J/m3
Answer
(D) 4.4 × 10 –12 J/m 3
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- Synthetisation of vitamin D when the skin is exposed to light is a property of :
- The magnetic field of an electromagnetic wave is given by E _ y =3 10^ -7 (10^ 3 x +6.28 10^ 12 t ) All…
- All components of the electromagnetic spectrum in vacuum have the same :
- Given below are two statements Statement I : Electromagnetic wave are transverse in nature. Statement II …
- The magnetic field of an electromagnetic wave is given by, B y = 3 × 10 –7 sin (10 3 x + 6.28 × 10 12 t ) The…
- The electromagnetic waves travel with a velocity in vacuum :
- Assertion : The pairs E x , B y and E y , B x , components of space and time varying electric field ( E ) and…
- In a plane electromagnetic wave travelling in free space, the electric field component oscillates…
More Electromagnetic Waves questions · Browse all practice questions