Chapter 18 – Atoms and Nuclei
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Assume that a neutron breaks into a proton and an electron. The energy released during this process is (Mass of neutron =1.6725×10^−27 kg, Mass of proton =1.6725×10^−27 kg ,Mass of electron =9×10^−31 kg)
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Sep
Assume that a neutron breaks into a proton and an electron. The energy released during this process is (Mass of neutron =1.6725×10^−27 kg, Mass of proton =1.6725×10^−27 kg ,Mass of electron =9×10^−31 kg) Assume that a neutron breaks into a proton and an electron. The energy released during this process is (Mass of neutron =1.6725×10^−27 [...]
If 13.6eV energy is required to ionize the hydrogen atom, then the energy required to remove an electron from n = 2 is
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Nov
If 13.6eV energy is required to ionize the hydrogen atom, then the energy required to remove an electron from n = 2 is If 13.6eV energy is required to ionize the hydrogen atom then the energy required to remove an electron from n = 2 is November 28, 2020 Category: Chapter 18 - Atoms and [...]
Which of the following cannot be emitted by radioactive substances during their decay?
28
Nov
Which of the following cannot be emitted by radioactive substances during their decay? Which of the following cannot be emitted by radioactive substances during their decay? November 28, 2020 Category: Chapter 18 - Atoms and Nuclei , JEE Mains Physics 2002-2019 Solved Video Solutions ,
A nucleus with Z=92 emits the following in a sequence; α,α,β−,β−,α,α,α,α,β−,β−,α,β+,β+,α. The Z of the resulting nucleus is
28
Nov
A nucleus with Z=92 emits the following in a sequence; α,α,β−,β−,α,α,α,α,β−,β−,α,β+,β+,α. The Z of the resulting nucleus is A nucleus with Z=92 emits the following in a sequence; α α α. The Z of the resulting nucleus is β+ β− November 28, 2020 Category: Chapter 18 - Atoms and Nuclei , JEE Mains Physics 2002-2019 [...]
A nucleus disintegrates into two nuclear parts which have their velocities in the ratio 2 : 1. The ratio of their nuclear sizes will be
28
Nov
A nucleus disintegrates into two nuclear parts which have their velocities in the ratio 2 : 1. The ratio of their nuclear sizes will be A nucleus disintegrates into two nuclear parts which have their velocities in the ratio 2 : 1. The ratio of their nuclear sizes will be November 28, 2020 Category: Chapter [...]
A nuclear transformation is denoted by X(n,α)→73Li. Which of the following is the nucleus of element X ?
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Nov
A nuclear transformation is denoted by X(n,α)→73Li. Which of the following is the nucleus of element X ? A nuclear transformation is denoted by X(n α)→73Li. Which of the following is the nucleus of element X ? November 28, 2020 Category: Chapter 18 - Atoms and Nuclei , JEE Mains Physics 2002-2019 Solved Video Solutions [...]
The diagram shows the energy levels for an electron in a certain atom. Which transition shown represents the emission of a photon with the most energy?
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Nov
The diagram shows the energy levels for an electron in a certain atom. Which transition shown represents the emission of a photon with the most energy? The diagram shows the energy levels for an electron in a certain atom. Which transition shown represents the emission of a photon with the most energy? November 28, 2020 [...]
If radius of the 2713 Al nucleus is estimated to be 3.6 fermi, then the radius of 12552 Te nucleus be nearly:
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Nov
If radius of the 2713 Al nucleus is estimated to be 3.6 fermi, then the radius of 12552 Te nucleus be nearly: If radius of the 2713 Al nucleus is estimated to be 3.6 fermi then the radius of 12552 Te nucleus be nearly: November 28, 2020 Category: Chapter 18 - Atoms and Nuclei , [...]
Starting with a sample of pure 66Cu, 7/8 of its decays into Zn in 15 min. The corresponding half-life is
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Nov
Starting with a sample of pure 66Cu, 7/8 of its decays into Zn in 15 min. The corresponding half-life is 7/8 of its decays into Zn in 15 min. The corresponding half-life is Starting with a sample of pure 66Cu November 28, 2020 Category: Chapter 18 - Atoms and Nuclei , JEE Mains Physics 2002-2019 [...]
When 73Li nuclei are bombarded by protons, and the resultant nuclei are 84Be, the emitted particles will be:
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Nov
When 73Li nuclei are bombarded by protons, and the resultant nuclei are 84Be, the emitted particles will be: and the resultant nuclei are 84Be the emitted particles will be: When 73Li nuclei are bombarded by protons November 28, 2020 Category: Chapter 18 - Atoms and Nuclei , JEE Mains Physics 2002-2019 Solved Video Solutions ,