Electromagnetic Waves — practice questions
19 curated practice questions from Electromagnetic Waves (Physics JEE Main, NTA Exams) — 5 medium, 6 hard, 8 easy. Every question includes the final answer free; step-by-step worked solutions with a free account.
- The energy of the em waves is of the order of 15 keV. To which part of the spectrum does it belong?
- The electric fields of two plane electromagnetic plane waves in vacuum are given by E _ 1 =E_ n ( t-k x) and E _ 2 = E…
- Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A)…
- The oscillating electric and magnetic field vectors of electromagnetic wave are oriented along
- The magnetic field in a travelling electromagnetic wave has a peak value of 20 nT. The peak value of electric field…
- Which of the following statements is false for the properties of electromagnetic waves?
- Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A)…
- An em wave is propagating in a medium with a velocity V = V . The instantaneous oscillating electric field of this em…
- A plane electromagnetic wave is propagating along the direction i + j 2 , with its polarization along the direction ( Y…
- The correct sequence of the increasing wavelength of the given radiation sources is
- The amplitude of a magnetic field, which is part of a harmonic electromagnetic wave in vacuum, is B 0 = 510 nT. What is…
- Electromagnetic radiation consists of photons. The one having the greatest energy is:
- During the propagation of electromagnetic waves in a medium:
- The magnetic field amplitude of an electromagnetic wave is 2 10^ -7 ~T . It's electric field amplitude if the wave is…
- An electromagnetic wave passing through vacuum is described by the equation: E = E 0 sin (kx — ωt) and B = B 0 sin (kx…
- Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A)…
- An EM wave from air enters a medium. The electric fields are E_ 1 =E_ 01 x [2 v ( z c -t ) ] in air and E _ 2 = E _ 02…
- Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A)…
- The velocity of electromagnetic wave is along the direction of: