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Which of the following statements is incorrect?
- a)Bohr gave theory of hydrogen atom and Yukawa, the theory of nuclear forces
- b)Law of gravitation was discovered by Newton and principle of inertia by Galileo
- c)Laws of photoelectric effect were discovered by Einstein and laws of electromagnetic induction by Faraday
- d)Neutron was discovered by J.J. Thomson and electron was discovered by James Chadwick
Correct answer is option 'D'. Can you explain this answer?
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Which of the following statements is incorrect?a)Bohr gave theory of h...
Neutron was discovered by James Chadwick and electron was discovered by J.J. Thomson.
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Which of the following statements is incorrect?a)Bohr gave theory of h...
**Incorrect Statement: Neutron was discovered by J.J. Thomson and electron was discovered by James Chadwick**
**Explanation:**
The statement given in option D is incorrect. The neutron was actually discovered by James Chadwick, not by J.J. Thomson. Likewise, the discovery of the electron is credited to J.J. Thomson, not James Chadwick. Let's discuss the discovery of the neutron and electron in detail:
1. **Discovery of the Neutron:**
- The neutron was discovered by James Chadwick in 1932.
- Chadwick conducted a series of experiments bombarding beryllium with alpha particles and observed a new radiation that was not deflected by electric or magnetic fields.
- This radiation was found to be neutral and had a mass similar to that of a proton.
- Chadwick concluded that the radiation consisted of neutral particles, which he named "neutrons."
- This discovery helped to explain the previously observed missing mass in atomic nuclei.
2. **Discovery of the Electron:**
- The discovery of the electron is credited to J.J. Thomson in 1897.
- Thomson conducted experiments using cathode ray tubes, which are partially evacuated glass tubes containing metal electrodes.
- He observed that when a high voltage was applied across the electrodes, a ray of negatively charged particles was emitted from the cathode (negatively charged electrode) towards the anode (positively charged electrode).
- These particles, later named electrons, were found to have a much smaller mass compared to atoms.
- Thomson proposed the "plum pudding" model of the atom, where electrons were embedded in a positively charged sphere.
In summary, the correct statement is that the neutron was discovered by James Chadwick, and the electron was discovered by J.J. Thomson.
**Explanation:**
The statement given in option D is incorrect. The neutron was actually discovered by James Chadwick, not by J.J. Thomson. Likewise, the discovery of the electron is credited to J.J. Thomson, not James Chadwick. Let's discuss the discovery of the neutron and electron in detail:
1. **Discovery of the Neutron:**
- The neutron was discovered by James Chadwick in 1932.
- Chadwick conducted a series of experiments bombarding beryllium with alpha particles and observed a new radiation that was not deflected by electric or magnetic fields.
- This radiation was found to be neutral and had a mass similar to that of a proton.
- Chadwick concluded that the radiation consisted of neutral particles, which he named "neutrons."
- This discovery helped to explain the previously observed missing mass in atomic nuclei.
2. **Discovery of the Electron:**
- The discovery of the electron is credited to J.J. Thomson in 1897.
- Thomson conducted experiments using cathode ray tubes, which are partially evacuated glass tubes containing metal electrodes.
- He observed that when a high voltage was applied across the electrodes, a ray of negatively charged particles was emitted from the cathode (negatively charged electrode) towards the anode (positively charged electrode).
- These particles, later named electrons, were found to have a much smaller mass compared to atoms.
- Thomson proposed the "plum pudding" model of the atom, where electrons were embedded in a positively charged sphere.
In summary, the correct statement is that the neutron was discovered by James Chadwick, and the electron was discovered by J.J. Thomson.
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Which of the following statements is incorrect?a)Bohr gave theory of h...
Neutron was discovered by J.J. Thomson and electron was discovered by James Chadwick
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Which of the following statements is incorrect?a)Bohr gave theory of hydrogen atom and Yukawa, the theory of nuclear forcesb)Law of gravitation was discovered by Newton and principle of inertia by Galileoc)Laws of photoelectric effect were discovered by Einstein and laws of electromagnetic induction by Faradayd)Neutron was discovered by J.J. Thomson and electron was discovered by James ChadwickCorrect answer is option 'D'. Can you explain this answer?
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Which of the following statements is incorrect?a)Bohr gave theory of hydrogen atom and Yukawa, the theory of nuclear forcesb)Law of gravitation was discovered by Newton and principle of inertia by Galileoc)Laws of photoelectric effect were discovered by Einstein and laws of electromagnetic induction by Faradayd)Neutron was discovered by J.J. Thomson and electron was discovered by James ChadwickCorrect answer is option 'D'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Which of the following statements is incorrect?a)Bohr gave theory of hydrogen atom and Yukawa, the theory of nuclear forcesb)Law of gravitation was discovered by Newton and principle of inertia by Galileoc)Laws of photoelectric effect were discovered by Einstein and laws of electromagnetic induction by Faradayd)Neutron was discovered by J.J. Thomson and electron was discovered by James ChadwickCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following statements is incorrect?a)Bohr gave theory of hydrogen atom and Yukawa, the theory of nuclear forcesb)Law of gravitation was discovered by Newton and principle of inertia by Galileoc)Laws of photoelectric effect were discovered by Einstein and laws of electromagnetic induction by Faradayd)Neutron was discovered by J.J. Thomson and electron was discovered by James ChadwickCorrect answer is option 'D'. Can you explain this answer?.
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