Question # 1

In nuclear radiation , track of alpha particle is.

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Thin

Discontinuous

Erratic

Continuous

Iodine -131 is used for the treatment by

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Bones

Eyes

thyroid glands

Lungs

The first atomic reactor was introduced by

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Currie

Enrico Fermi

Newton

Bohr

The mass spectrum of naturally occurring neon, showing

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1 isotope

2 isotope

3 isotope

4 isotope

The energy equivalent of 1 kg of matter is about:

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10^-15 J

1 J

10^-12J

10^-17J

Gamma radiations are emitted due to:

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De-excitation of atom

De-excitation of nucleus

Excitation of atom

Excitation of nucleus

Mass of meason is

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Greater then proton

Less than proton

Equal to proton

Equal to neutron

The mass of beta particle is equal to the mass

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Proton

Neutron

Electron

Photon

Binding energy for deuteron nucleus is given by

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2.8 MeV

2.23 MeV

2.28 MeV

2.25 MeV

The mass of proton in amu is:

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1.07276

1.7276

1.007276

1.0007276

Binding energy per nucleus for uranium is above:

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6.7 Mev

7.7 Mev

6.9 MeV

7.9 MeV

The force which is responsible for the breaking up of the radioactive element is.

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Weak nuclear force

Strong nuclear force

Electromagnetic force

Gravitational force

The amount of energy equivalent to 1 a.m.u is

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931.5 MeV

93.15 MeV

9.315 MeV

2.224 MeV

The reciprocal of decay construct lamda of a radioactive element is.

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Half life

Mean life

Curie

total life

Energy released by conversion of 1 amu is

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200 MeV

931 MeV

233 MeV

243 MeV

A radio active substance has a half life of four months. 3 -fourth of the substance will decay in:

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6 months

8 months

12 months

16 months

Which pair belongs to hadrons.

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Protons and Neutrons

Neutrons and electrons

Photons and electrons

positrons and electrons

What is difference is isotopes

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Number of protons

Number of neutrons

Number of electrons

Charge number

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