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The electric and magnetic field associated with an E.M. wave, propagating along the +z axis, can be represented by
Options
(a) [ E = E₀i, B = B₀j ]
(b) [E = E₀k, B = B₀j ]
(c) [E = E₀j, B = B₀i ]
(d) [E = E₀j, B = B₀k ]
Correct Answer:
[E = E₀i, B = B₀j]
Explanation:
E.M. waves always propagates in a direction perpendicular to both electric and magnetic fields. So, electric and magnetic fields should be along +x- and +Y- directions respectively. Therefore, option (a) is the correct option.
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Topics: Electromagnetic Waves
(28)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The near point and far point of a person are 40 cm and 250 cm, respectively.
- The voltage gain of an amplifier with 9% negative feedback is 10. The voltage gain
- In the Young’s double slit experiment, a point P on the central bright fringe
- If the error in the measurement of momentum of particle is (+100%)
- Imagine a new planet having the same density as that of earth but it is 3 times bigger
Topics: Electromagnetic Waves (28)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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