SSC EV Physics MCQ Question Ans. Modern Physics and Electronics 1

SSC EV Physics MCQ Question Ans. Modern Physics and Electronics

SSC EV Physics MCQ Question Ans. Modern Physics and Electronics. At the beginning of the 20th century, a new era has been introduced in the field of physics. During this time, the theory of relativity and quantum theory have been invented. To explain the motion of high-speed particles and the various phenomena of nuclear and atomic physics these two theories were needed. Besides, electronics has reached a more developed stage through the process of evolution, as a result of which we become able to construct and use various developed devices of information and communication. Thus, modern physics has been evolved.  In this chapter,  we shall discuss radioactivity, radioactive particles, and rays, the gradual development of electronics, semiconductor, and the integrated circuit, different electronic devices, microphone, speaker, radio, television, phone, fax machine, the internet, and e-mail.

SSC EV Physics MCQ Question Ans. Modern Physics and Electronics

SSC EV Physics MCQ Question Ans. Modern Physics and Electronics

SSC EV Physics MCQ Question Ans. Modern Physics and Electronics

SSC EV Physics MCQ Question Ans. Modern Physics and Electronics

In 1896, French scientist Henry Becquerel observes that radiation with special penetrating power emits spontaneously from the nucleus of Uranium metal in a continuous manner. He also observes that the element that emits radiation, transforms totally into a new element. This is a nuclear event. This event is a spontaneous and continuous phenomenon and fully controlled by nature.   Any manmade external influences such as- pressure, heat, electric and magnetic field cannot stop or increase or decrease the emission of these rays. Later Madame Marie Curie (1867-1934) and her husband Pierre Curie (1859-1906) observed similar events.

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SSC EV Physics MCQ Question Ans. Modern Physics and Electronics

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