ECAT Pre General Science Chapter 21 online mcq test with answers for Physics chapter 21 (Nuclear Physics)

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Faraz Ahmad 06 - May - 2021 10 Min 50 Sec 15/120
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ECAT Physics Chapter 21 Important MCQ's

Sr.#	Question	Answer
1	The energy is found from Einstein's mass energy relation is called	A. binding energy of electron B. binding energy of proton C. binding energy of neutron D. binding energy of nucleus
2	The emission of radiations take place in elements, having charge number greater than	A. 109 B. 82 C. 69 D. 52
3	β-particles are easily deflected by collisions than heavy	A. α-particles B. β-particles C. γ-particles D. none of these
4	Radioactivity	A. is exhibited more by semiconductors in general B. in exhibited more by the element when they are coupled C. with other radioactive elements by a covalent bond D. is an atomic property of radioactive elements
5	A particle having the mass of electron and charge of a proton is called a	A. photon B. position C. antiproton D. antineutrino
6	Which of these is not a radiation detector	A. Wilson cloud chamber B. cyclotron acceleration C. Geiger Miller counter D. solid state detector
7	Heavy water is made of one oxygen atom and two atoms of:	A. Protium B. Deuterium C. Tritium D. Any of these
8	Radioactivity was discovered by	A. Rutherford B. Henri Becqureal C. Maxwell D. James Chadwick
9	The range of particle depends upon the factor	A. charge, mass and energy of particle B. density of medium C. ionization potential of the atoms D. all the above
10	Rate of decay is actually described by.	A. Half line B. Decay constant C. Mean life D. Total life

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ECAT Pre General Science Physics Chapter 21 MCQ Test With Answer

MCQ's Test For ECAT Pre General Science Physics Chapter 21 Nuclear Physics

ECAT Pre General Science Physics Chapter 21 Nuclear Physics

If a nucleus emits an alpha particle, its mass number decreases by 4 while charge number decreased by

Gamma rays consist of steam of

The rate of decay of radioactive substance

A mass spectrograph sort out

An alpha particle has a charge of

U-238 present in the natural uranium is about:

Charge on neutron is

1 amu is equal to

Binding energy per nucleus is

In his experiment on nuclear reactions, Rutherford bombardedα particles on:

Curie is a unit of

The nuclei of an element having the same charge number but different mass numbers are called:

Alfa particles are

A mass difference of 0.0012 u is equivalent to and energy of:

Neon gas have three isotopes whose atomic numbers are

The most abundant isotope of neon is

For Protium, the mass defect is:

Radioactivity was discovered by:

Nucleus consists of

For an atom having atomic number Z and atomic weight A, the number of electron in an atoms

For an atom having atomic number Z and atomic weight A, the charge on the nucleus is

The mass of the nucleus is always less than the total man of the protons and neutron that make up the nucleus. The difference of the two masses is called

Nucleon means:

The isotope/s of hydrogen is /are:

Which are not the elementary particles?

γ-rays behave like a particle because they explain the

For an atom having atomic number 'Z' and atomic weight 'A', the number of neutrons in the nucleous is

The unit of decay constant is

A curie represents a very strong source of

In radioactive decay, the new element which is formed due to the disintegration of original element is called

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ECAT Physics Chapter 21 Important MCQ's

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