ICSE Class 10 Electromagnetic Waves — Mock Test

Free online mock test for Electromagnetic Waves (ICSE Class 10 Physics) — 73 competency-based questions with instant marking. Try the samples below, then take the full test free.

Sample questions

1. 1.Maxwell introduced the concept of displacement current to remove an inconsistency in which law?
   • A.Faraday's law of induction
   • B.Ampere's circuital law
   • C.Gauss's law for magnetism
   • D.Coulomb's law
2. 2.A plane electromagnetic wave of frequency 25 MHz travels in free space. Taking c = 3 x 10^8 m/s, the wavelength of the wave is:
   • A.12 m
   • B.6 m
   • C.75 m
   • D.0.083 m
3. 3.In a plane electromagnetic wave, the electric field amplitude is E0 = 6 V/m. The amplitude of the magnetic field (with c = 3 x 10^8 m/s) is:
   • A.2 x 10^-8 T
   • B.1.8 x 10^9 T
   • C.6 x 10^8 T
   • D.0.5 x 10^-8 T
4. 4.X-rays used in medical imaging have a wavelength of 1.0 nm. Their frequency (c = 3 x 10^8 m/s) is:
   • A.3 x 10^11 Hz
   • B.3 x 10^14 Hz
   • C.3 x 10^17 Hz
   • D.3.3 x 10^-18 Hz
5. 5.In a plane EM wave the electric field oscillates at a frequency of 2.0 x 10^10 Hz. The wavelength of the wave is:
   • A.1.5 x 10^-2 m
   • B.1.5 x 10^2 m
   • C.6.67 x 10^-3 m
   • D.3 x 10^-2 m