Physics Ch 10 Class 12 Nuclear Physics


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Radioactive elements emit:

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Which of the following will be absorbed by the paper?

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Which of the following has greater speed In space?

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Penetration power of gamma rays as compared to alpha rays is

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In Nuclear Physics the mass defect is referred to _______.

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The process of natural decay of some heavy nuclides is because of the phenomenon:

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The detection and estimation of an element in a mixture is sometimes nearly impossible, if it is present in very minute traces or if it’s chemical properties are very similar to those of other elements in the mixture. An effective technique is developed for these purposes is known as?

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Muon has charge of?

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If half-life of an element Is 4 minutes, then 3/4′ of It Is decayed in:

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_______ is also known as anti-electron.

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During the process of nuclear disintegration, when alpha particle emission occurs, atomic no. of the atom changes by _____ and its mass number changes by _____.

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Which of the following have low ionization and high penetrating power?

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There are leptons

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To remove the huge amount of heat energy in a nuclear reactor, ______ is/are used.

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How many quarks neutron and proton is made up of?

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Which of the following is an instrument for monitoring radiations:

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In Nuclear reactions, we have the conservation of:

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Which of the following affects our eye?

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Species of the same element that have the same atomic number “Z” but have different mass number “A” are called ____ of that element.

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Disintegration of a radioactive element is

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A nucleus consists of 11 protons and 12 neutrons. The conventional symbol of nucleus is:

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Radiation cause damage in a)

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) Which can damage eye?

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The binding per nucleon of deuteron (21H) and helium nucleus (42He) are 1.1 MeV and 7 MeV respectively. If two deuterons merge to form a single helium nucleus, the energy released will be:

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During the process of nuclear disintegration, when beta particle emission occurs, atomic no. of the atom changes by _____ and the mass number changes by ______.

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Sodium nucleus consists of 11 protons and 12 neutrons. The conventional symbol of this nucleus is?

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Emission of an alpha particle from a radioactive element.

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Which of the following consist of two quarks? a

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Meson consists of:

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Nuclear fission reaction takes place In controlled conditions by the

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What’s relation between penetrating power and Ionization power

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An alpha particle is ejected from the nucleus of an atom. Which of the following answers describes the change in the nucleus of the atom?

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Nucleus with an excess of neutrons may decay radioactivity with the emission of:

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Energy of fast moving neutron Is?

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Alpha, Beta, and Gamma radiations are emitted from a radioactive substance:

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Which of the following has highest ionizing power and least penetrating power?

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Fusion and fission reactions are associated with:

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Why is the total mass of all individual protons and neutrons in a nucleus greater than the mass of the nucleus which they constitute?

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4.5 x 109 years is the half-life of:

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