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6 Oct 2020
Which of the following statements about electromagnetic radiation are true regarding electromagnetic waves travelling through a vacuum?
(a) All waves have the same wavelength.
(b) All waves have the same frequency.
(c) All waves travel at 3.00 × 108 m/s.
(d) The electric and magnetic fields associated with the waves are perpendicular to each other and to the direction of wave propagation.
(e) The speed of the waves depends on their frequency.
Which of the following statements about electromagnetic radiation are true regarding electromagnetic waves travelling through a vacuum?
(a) All waves have the same wavelength.
(b) All waves have the same frequency.
(c) All waves travel at 3.00 × 108 m/s.
(d) The electric and magnetic fields associated with the waves are perpendicular to each other and to the direction of wave propagation.
(e) The speed of the waves depends on their frequency.
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16 Jul 2022
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6 Feb 2022
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Amal JeevaLv10
21 Oct 2020
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