Nuclear Science Quiz, General Science


20 Questions MCQ Test General Knowledge | Nuclear Science Quiz, General Science


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Attempt Nuclear Science Quiz, General Science | 20 questions in 40 minutes | Mock test for Current Affairs preparation | Free important questions MCQ to study General Knowledge for Current Affairs Exam | Download free PDF with solutions
QUESTION: 1

Which of the following is used as a moderator in nuclear reactor?

Solution:

Heavy water (D2O) is used as a moderator in nuclear reactor. It containing significantly more than the natural proportions (one in 6,500) of heavy hydrogen (deuterium, D) atoms to ordinary hydrogen atoms.

QUESTION: 2

Isotopes are separated by

Solution:
QUESTION: 3

Atoms are composed of

Solution:

Atoms are composed of particles called protons, electrons and neutrons.

QUESTION: 4

Which among the following is a positively charged particle emitted by a radioactive element?

Solution:
QUESTION: 5

In an atomic explosion, enormous energy is released which is due to

Solution:
QUESTION: 6

The wavelength of X-rays is of the order of

Solution: 1 angstrom = 1.0 x 10-10 meters
QUESTION: 7

Mesons are found in

Solution:
QUESTION: 8

Which radioactive pollutant has recently drawn to public, due to its occurrence in the building material?

Solution:
QUESTION: 9

Which of the following shows the masses of the three elementary particles in decreasing order?

Solution:
QUESTION: 10

In neutral atom, the electrons are bound to the nucleus by

Solution:

The electrons in an atom are attracted to the protons in the nucleus by the electromagnetic force.

QUESTION: 11

Which of the following has a least penetrating power?

Solution:
QUESTION: 12

The age of most ancient geological formations is estimated by

Solution:

C -14 dating method is used in estimate the age of most ancient geological formation.

QUESTION: 13

The isotope of uranium capable of sustaining chain reaction is

Solution:
QUESTION: 14

Who suggested that most of the mass of the atom is located in the nucleus?

Solution:
QUESTION: 15

The dark lines in the solar spectrum are due to

Solution:
QUESTION: 16

In an atomic nucleus, neutrons and protons are held together by

Solution:
QUESTION: 17

'No two electrons in an atom can have the same set of four quantum numbers' is

Solution:
QUESTION: 18

According to Avogadro's Hypothesis, the smallest particle of an element or a compound, that can exist independently, is called ____ .

Solution:
QUESTION: 19

Atoms of an element differ from those of all other elements in

Solution:
QUESTION: 20

Nuclear fission is caused by the impact of

Solution:
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