Physics Nuclei

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New answer posted•a year ago

Physics Nuclei Class 12th

The exchange particles responsible for nuclear weak interaction are

3 Views|Posted a year ago

Asked by Alok Kumar Singh

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Answered by

Alok Kumar Singh | Contributor-Level 10

a year ago

W and Z bosons is responsible for the exchange particles of weak interaction.

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New answer posted•a year ago

Physics Nuclei Class 12th

Two pipes are each 50 cm in length. One of them is closed at one end while the other is open at both ends. The speed of sound in air is 340 m s^–1. The frequency at which both the pipes can resonate is :-

2 Views|Posted a year ago

Asked by Alok Kumar Singh

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Answered by

Alok Kumar Singh | Contributor-Level 10

a year ago

A pipe open only at one end and another one of equal length but open at both the ends have their fundamental frequencies v and 2v respectively. Again only odd harmonics are possible for a pipe open at one end whereas all second harmonics are possible for a pipe open at both ends. Thus, it is impossi

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New answer posted•a year ago

Physics Nuclei Class 12th

The kinetic energy of an electron is 5 eV. Calculate the de-Broglie wavelength associated with it (h = 6.6 × 10^–34 Js, m_e = 9.1 × 10^–31 kg) :-

1 Views|Posted a year ago

Asked by Alok Kumar Singh

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Answered by

Alok Kumar Singh | Contributor-Level 10

a year ago

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New answer posted•a year ago

Physics Nuclei Class 12th

After one alpha particle emission and one b^– particle emission from a nucleus

1 Views|Posted a year ago

Asked by Alok Kumar Singh

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Answered by

Alok Kumar Singh | Contributor-Level 10

a year ago

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New answer posted•a year ago

Physics Nuclei Nuclei

A nuclear fusion reaction is given by If atomic mass of He is 4.0026 amu and that of O is 15.9994 amu then the Q-value of the reaction will be approximately

6 Views|Posted a year ago

Asked by Alok Kumar Singh

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Answered by

Alok Kumar Singh | Contributor-Level 10

a year ago

Q = [4 *4.0026 – 15.9994] *931.5 MeV

Q = 10.2 MeV

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New answer posted•a year ago

Physics Nuclei Class 12th

A radioactive element undergoes successive radioactive decay and decays into The number of a and b– particles emitted respectively are:

2 Views|Posted a year ago

Asked by Alok Kumar Singh

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Answered by

Alok Kumar Singh | Contributor-Level 10

a year ago

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New answer posted•a year ago

Physics Nuclei Class 12th

Determine the number of nuclei that will be decayed upto one average life of radioactive material? (N₀ : Initial number of nuclei)

4 Views|Posted a year ago

Asked by Alok Kumar Singh

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Answered by

Alok Kumar Singh | Contributor-Level 10

a year ago

N = N₀e^–^λ^t

->t = λN = N₀/e

So number of nuclei decayed = N₀ – N

= N₀ (1- 1/e)

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New answer posted•a year ago

Physics Nuclei Class 12th

Density of nucleus is of the order of

1 Views|Posted a year ago

Asked by Alok Kumar Singh

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Answered by

Alok Kumar Singh | Contributor-Level 10

a year ago

Density of nuclei is order of 10¹⁷kg m^–3.

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New answer posted•a year ago

Physics Nuclei Class 12th

Power factor of series LCR circuit at resonance is

3 Views|Posted a year ago

Asked by Alok Kumar Singh

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Answered by

Alok Kumar Singh | Contributor-Level 10

a year ago

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Related Tags

Atomic Masses and Composition of Nucleus

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New answer posted•a year ago

Physics Nuclei Class 12th

The nucleus 115/48cd, after two successive β?decay will give

3 Views|Posted a year ago

Asked by Raj Pandey

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Answered by

Raj Pandey | Contributor-Level 9

a year ago

Two successive β decays increase the charge no. by 2.

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