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NEET UG Electromagnetic Waves — practice questions — page 2

Explore 90 free Electromagnetic Waves questions in NEET UG Physics. Open each question or exercise to read its content, reference answers and available explanation.

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Electromagnetic Waves questions and exercises with answers

Showing questions 31–60 of 90.

The extra term Maxwell added to Ampere's law is the:Read the answer and worked solution →Electromagnetic waves are produced by charges that are:Read the answer and worked solution →Who first demonstrated electromagnetic waves experimentally?Read the answer and worked solution →Infrared waves are also referred to as:Read the answer and worked solution →Radar systems used in aircraft navigation use:Read the answer and worked solution →Most ultraviolet radiation from the Sun is absorbed in the:Read the answer and worked solution →In an electromagnetic wave, E and B are:Read the answer and worked solution →Electromagnetic waves travel at which speed in free space?Read the answer and worked solution →Maxwell's calculation showed that light is:Read the answer and worked solution →Radio waves are produced by accelerated charges in:Read the answer and worked solution →Which radiation is trapped by carbon dioxide and water vapour?Read the answer and worked solution →Household TV remote switches work using:Read the answer and worked solution →X-rays are produced by bombarding a metal target with:Read the answer and worked solution →The generalised form of Ampere's law is known as the:Read the answer and worked solution →The total current in the Ampere Maxwell law is conduction current plus:Read the answer and worked solution →Gamma rays are produced in which kind of process?Read the answer and worked solution →X-rays are emitted from atoms that are:Read the answer and worked solution →Compared with visible light, infrared waves have frequencies that are:Read the answer and worked solution →Which band is used as a diagnostic tool in medicine?Read the answer and worked solution →Match the band to its useRead the answer and worked solution →True or false about EM wavesRead the answer and worked solution →Sort the radiation by sourceRead the answer and worked solution →Order the spectrum by frequencyRead the answer and worked solution →Complete the Maxwell ruleRead the answer and worked solution →Name the radiationRead the answer and worked solution →Spot the odd one outRead the answer and worked solution →Electromagnetic waves bingoRead the answer and worked solution →Becquerel's emission penetrated black paper and:Read the answer and worked solution →Which band is used as a diagnostic tool in medicine?Read the answer and worked solution →Compared with visible light, infrared waves have frequencies that are:Read the answer and worked solution →

Worked practice questions

The extra term Maxwell added to Ampere's law is the:

  1. Direct current path
  2. Displacement current
  3. Conduction current
  4. Alternating current
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Correct answer: B. Displacement current

1. A changing electric field also sources a magnetic field. 2. Maxwell gave that source a current-like name. 3. It is the displacement current. 4. So the answer is displacement current. _Source: syllabus Physics, Ch 8 'Electromagnetic Waves'_

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Electromagnetic waves are produced by charges that are:

  1. Uncharged
  2. Neutralised
  3. Accelerated
  4. Motionless
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Correct answer: C. Accelerated

1. A charge sitting still gives only a static field. 2. A charge moving steadily gives a steady magnetic field. 3. Only accelerated charges radiate electromagnetic waves. 4. So the answer is accelerated. _Source: syllabus Physics, Ch 8 'Electromagnetic Waves'_

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Who first demonstrated electromagnetic waves experimentally?

  1. Bohr
  2. Ohm
  3. Bose
  4. Hertz
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Correct answer: D. Hertz

1. Maxwell predicted the waves but did not produce them. 2. The first laboratory production came in the eighteen eighties. 3. Hertz demonstrated them experimentally. 4. So the answer is Hertz. _Source: syllabus Physics, Ch 8 'Electromagnetic Waves'_

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More Physics topics

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