Question # 1

Both Xenon and cesium have

Choose an answer

33 isotopes

34 Isotopes

36 Isotopes

35 Isotopes

Low level radiations effects

Choose an answer

Less of hair

Ulceration

Drop of white blood cells

All

In Wilson cloud chamber, if tracks are thick, straight and continuous, then particle is

Choose an answer

a-particles

ß-particles

Y-rays

All

The number of Isotopes of cesium are.

Choose an answer

4

32

22

36

Energy released by conversion of 1 amu is

Choose an answer

200 MeV

931 MeV

233 MeV

243 MeV

How many neutrons are there in the nuclide Zn⁶⁶?

Choose an answer

22

30

36

66

Before and after nuclear reaction the number of protons and neutrons:

Choose an answer

Must be different

Must be decreased

Must be increased

Remains same

The radioactive decay obeys the law

Choose an answer

The place for soring the nuclear waste is

Choose an answer

Ocean

Damping in earth

Damping in desert

Bottom of old salt mines

Those elements whose charge number z is greater then __________ are unstable:

Choose an answer

80

79

82

83

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

Choose an answer

Weak nuclear force

Strong nuclear force

Electromagnetic force

Gravitational force

The mass of protons is:

Choose an answer

1.675 x 10^-27 kg

1.693 x 10^-27 kg

1.673 x 10^-31 kg

1.673 x 10^-27 kg

The activity of radioactive sample

Choose an answer

Is constant

Increases with time

Decreases linearly with time

Decreases exponentially with time

Materials can be identified by measuring their

Choose an answer

Mass

Half life

Both a and b

None of a,b,c

The charge number of Ba is.

Choose an answer

197

141

56

85

Iodine -131 is used for the treatment by

Choose an answer

Bones

Eyes

thyroid glands

Lungs

The number of Neutron is²³⁸U₉₂is

Choose an answer

92

238

146

330

The Unit of decay constant.

Choose an answer

Second

(second)-1

m-1

mk

More Classes

Other Links

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

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer