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होम › भौतिकी › Physicists and Discoveries

Physicists and Discoveries — Physics Questions & Practice

18 Physicists and Discoveries questions from Physics for competitive exams such as UPSC, Banking, SSC and Railway. Read the worked questions below, check every answer with an explanation, and track what you get wrong. का अभ्यास करें

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Physicists and Discoveries पर अभ्यास प्रश्न — उत्तर सहित

Try each question first, then open the answer. Explanations are included.

1. Who invented the telephone?

  1. AGuglielmo Marconi
  2. BSamuel Morse
  3. CThomas Edison
  4. DAlexander Graham Bell
उत्तर दिखाएँ

उत्तर: D

Alexander Graham Bell is credited with inventing and patenting the first practical telephone in 1876.

2. Who developed the quantum theory, proposing that energy is emitted/absorbed in discrete units called quanta?

  1. AAlbert Einstein
  2. BWerner Heisenberg
  3. CMax Planck
  4. DNiels Bohr
उत्तर दिखाएँ

उत्तर: C

Max Planck developed quantum theory in 1900, proposing that energy is emitted and absorbed in discrete packets called quanta.

3. Which scientist won two Nobel Prizes for her research on radioactivity, discovering polonium and radium?

  1. AHenri Becquerel
  2. BMarie Curie
  3. CLise Meitner
  4. DWilhelm Rontgen
उत्तर दिखाएँ

उत्तर: B

Marie Curie won Nobel Prizes in both Physics (1903) and Chemistry (1911) for her pioneering research on radioactivity and discovery of polonium and radium.

4. Who discovered electromagnetic induction and is considered a founder of electromagnetism?

  1. AAndre-Marie Ampere
  2. BGeorg Simon Ohm
  3. CJames Clerk Maxwell
  4. DMichael Faraday
उत्तर दिखाएँ

उत्तर: D

Michael Faraday discovered electromagnetic induction in 1831, forming the basis for electric generators and transformers.

5. Who formulated Ohm's Law, describing the relationship between voltage, current, and resistance?

  1. AAndre-Marie Ampere
  2. BAlessandro Volta
  3. CGeorg Simon Ohm
  4. DMichael Faraday
उत्तर दिखाएँ

उत्तर: C

Georg Simon Ohm formulated Ohm's Law in 1827, establishing the relationship V=IR between voltage, current, and resistance.

Physicists and Discoveries और प्रश्न हल करें

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