Question # 1

The binding energy for_________ is maximum.

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Copper

Glass

Iron

Aluminum

The energy of photon for photoelectric effect is less than

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1 MeV

2 MeV

5 MeV

8 MeV

One joule of energy absorbed per kilogram of a body is

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Roentgen

Grey

Rem

Curie

The most abundant isotope of neon is:

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Neon 21

Neon 20

Neon 22

None of above

Alpha particle carries a charge.

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-e

+2e

-2e

No charge

Binding energy per nucleus for uranium is above:

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6.7 Mev

7.7 Mev

6.9 MeV

7.9 MeV

Mass of meason is

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Greater then proton

Less than proton

Equal to proton

Equal to neutron

Nuclear fission was discovered by:

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Otto Hahn

Friz strassmann

Both a and b

Michaelson

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

The building blocks of protons and neutrons are called.

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Ions

Electrons

Positrons

quarks

The Unit of decay constant.

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Second

(second)-1

m-1

mk

Which one of the following is not affected by electric or magnetic field.

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Beta rays

Gama ryas

Alpha rays

Electron

When a nucleus emits alpha particle its atomic mass decreases by

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1

2

3

4

The number of neutron present in a nucleus in a given by

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N = A+Z

N = A- z

N = Z - A

N = A X Z

The SI unit of decay constant is

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m

m^-1

S^-1

Nm^-1

Subatomic particles are divided into groups.

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Photon

Laptons

Hadrons

All of these

The radioactive decay obeys the law

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Physics FSC Part 2 Chapter 21 Online MCQ's Test MCQs With Answers

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