Which of the following conclusions could not be derived from Rutherford's α-particle scattering experiment?

1.  Most of the space in the atom is empty.
2.  The radius of the atom is about 10-10 m while that of a nucleus is 10-15 m.
3. Electrons move in circular path of fixed energy called orbits
4.  Electrons and the nucleus are held together by electrostatic forces of attraction.

Subtopic:  Introduction of Atomic Structure |
 65%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh

Which of the following statement is not correct about the characteristics of cathode rays?

1. They start from the cathode and move towards the anode
2. They travel in straight line in the absence of an external electrical or magnetic field
3. Characteristics of cathode rays do not depend upon the material of electrodes in cathode ray tube
4. Characteristics of cathode rays depend upon the nature of gas present in the cathode ray tube

Subtopic:  Introduction of Atomic Structure |
 68%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

Correct statement about the properties of the atom explained by the Thomson
model of an atom is:

1.  Overall neutrality of atom
2.  Spectra of a hydrogen atom
3.  Position of electrons, protons, and neutrons in an atom
4.  Stability of atom

Subtopic:  Introduction of Atomic Structure |
 67%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
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To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh