Refer to BITSAT Physics Electromagnetic Waves MCQs provided below available for download in Pdf. The MCQ Questions for Full Syllabus Physics with answers are aligned as per the latest syllabus and exam pattern suggested by BITSAT, NCERT and KVS. Electromagnetic Waves Full Syllabus MCQ are an important part of exams for Full Syllabus Physics and if practiced properly can help you to improve your understanding and get higher marks. Refer to more Chapter-wise MCQs for BITSAT Full Syllabus Physics and also download more latest study material for all subjects
MCQ for Full Syllabus Physics Electromagnetic Waves
Full Syllabus Physics students should refer to the following multiple-choice questions with answers for Electromagnetic Waves in Full Syllabus.
Electromagnetic Waves MCQ Questions Full Syllabus Physics with Answers
Question: The electric and the magnetic field associated with an E.M. wave, propagating along the +zaxis, can be represented by
- a)
- b)
- c)
- d)
Answer:
Question: Which of the following electromagnetic radiations has the smallest wavelength?
- a) Ultraviolet rays
- b) X-rays
- c) Υ-rays
- d) Microwaves
Answer: Υ-rays
Question: An electromagnetic wave passes through space and its equation is given by E = E0 sin (ωt – kx) where E is electric field. Energy density of electromagnetic wave in space is
- a)
- b)
- c)
- d)
Answer:
Question: The magnetic field in a travelling electromagnetic wave has a peak value of 20 nT. The peak value of electric field strength is
- a) 3 V/m
- b) 6 V/m
- c) 9 V/m
- d) 12 V/m
Answer: 6 V/m
Question: A plane electromagnetic wave is incident on a material surface. If the wave delivers momentum p and energy E, then
- a) p = 0, E = 0
- b) p ≠ 0, E ≠ 0
- c) p ≠ 0, E = 0
- d) p = 0, E ≠ 0
Answer: p ≠ 0, E ≠ 0
Question: If vs, vx and vm are the speed of soft gamma rays, X-rays and microwaves respectively in vacuum, then
- a) vs > vx > vm
- b) vs < vx < vm
- c) vs > vx < vm
- d) vs = vx = vm
Answer: vs = vx = vm
Question: The electromagnetic radiation used in food processing sterilizing agent is
- a) Microwaves
- b) UV rays
- c) Gamma rays
- d) Radio waves
Answer: UV rays
Question: A plane electromagnetic wave travels in free space along x-axis. At a particular point in space, the electric field along y-axis is 9.3V m–1. The magnetic induction (B) along z-axis is
- a) 3.1 × 10–8 T
- b) 3 × 10–5 T
- c) 3 × 10–6 T
- d) 9.3 × 10–6
Answer: 3.1 × 10–8 T
Question: The electromagnetic radiation used in food processing sterilizing agent is
- a) Microwaves
- b) UV rays
- c) Gamma rays
- d) Radio waves
Answer: UV rays
Question: Which of the following electromagnetic radiations has the smallest wavelength?
- a) Ultraviolet rays
- b) X-rays
- c) γ-rays
- d) Microwaves
Answer: γ-rays
MCQs for Electromagnetic Waves Physics Full Syllabus
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