Question # 1

How many times, the alpha particle is more massive than electrons.

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6332

7332

8332

9332

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

Circulation of blood is studied by radio isotope.

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Cobalt -60

Phosphorus -32

Sodium -24

Iodine -131

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

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Half life

Mean life

Curie

total life

Unit of decay constantλ is:

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ms

m^-1

m

S^-1

In nuclear radiation , track of alpha particle is.

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Thin

Discontinuous

Erratic

Continuous

Which of the following basic force is able to provide an attraction between two neutrons:

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Electrostatic and nuclear b

Electrostatic and gravitational

Gravitational and strong nuclear

Only nuclear force

GM counter uses

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Alcohol only

Bromine

argon

Neon and bromine

The number of Isotopes of cesium are.

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4

32

22

36

Mass of meason is

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Greater then proton

Less than proton

Equal to proton

Equal to neutron

The number of protons in any atom are always equal to the number of

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Neutrons

Electrons

Positrons

Mesoris

Energy released by conversion of 1 amu is

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200 MeV

931 MeV

233 MeV

243 MeV

Which one belongs to lepton's group

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Electron

Muons

Neutrons

All of these

Mass equivalent of 931 MeV energy is:

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6.02 x 10^-23 kg

1.766 x 10^-27kg

2.67 x 10^-29kg

6.02 x 10^-87kg

The Unit of decay constant.

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Second

(second)-1

m-1

mk

A positron is a particle having.

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Mass equal to electron

Charge equal to electron

Mass equal to mass of electron but charge opposite to charge of electron.

Mass equal to proton

The mass of protons is:

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1.675 x 10^-27 kg

1.693 x 10^-27 kg

1.673 x 10^-31 kg

1.673 x 10^-27 kg

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