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Modern Physics
General Studies
COMPLETE TOPIC GUIDE

Modern Physics

Everything you need to master Modern Physics — the core concept, the method that actually works, and solved practice questions, all in one focused place. · by Digital Benchers

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Modern Physics is an important topic in General Studies for competitive exam aspirants. This guide gives you a clear, exam-focused explanation of Modern Physics, shows how it is typically asked, and pairs it with solved practice questions so you can learn the approach and test yourself right away. Work through the questions below to build speed and accuracy.

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Questions
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Q1Which of the following statements about the Photoelectric Effect is/are correct? The kinetic energy of emitted electrons depends on the frequency of incident light. The number of emitted electrons depends on the intensity of the incident light. Option: 1MediumSolve →Q2Who discovered the neutron? Option: 2MediumSolve →Q3Which one of the following phenomena provides direct evidence of the quantisation of energy? Option: 3MediumSolve →Q4The rest mass of a photon is — Option: 4MediumSolve →Q5Consider the following statements about the Compton Effect: It shows the particle nature of light. It explains the change in wavelength of X-rays when scattered. Which of these is/are correct? Option: 5MediumSolve →Q6Which of the following scientists first proposed the concept of quanta of energy? Option: 6MediumSolve →Q7The de Broglie wavelength of an electron increases when: Option: 7MediumSolve →Q8Which of these nuclear reactions is used in nuclear power plants? Option: 8MediumSolve →Q9Which one of the following is correct about radioactive decay? Option: 9MediumSolve →Q10The uncertainty principle is associated with — Option: 10MediumSolve →

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