ECAT Pre Engineering Physics Chapter 21 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 21 Nuclear Physics

Try The MCQ's Test For Physics ECAT Pre Engineering Chapter 21 Nuclear Physics

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Physics ECAT Pre Engineering Chapter 21 Nuclear Physics

00:00
Question # 1

Nucleus of a hydrogen atom may contain:

Question # 2

Radioactivity

Question # 3

Mass of proton is of order of

Question # 4

A pair of quark and antiquark makes a:

Question # 5

The counter, which also provides the power to the G.M. tube is called:

Question # 6

The range of particle depends upon the factor

Question # 7

Maric Curie and Pieree Curie discovered two new radioactive elements, which are called

Question # 8

The chemical properties of all the isotopes of an elements are

Question # 9

Alfa , beta and gamma rays are emitted from a radio-active substance

Question # 10

Hydrogen atom with only one proton in its nucleus, and one electron in its orbit is called

Question # 11

Charge on neutron is

Question # 12

According to Rutherford atomic model, the positive charge in an atom

Question # 13

Binding energy per nucleus is

Question # 14

Radioactivity is

Question # 15

Structure of the nucleus was explained by

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ECAT Physics Chapter 21 Important MCQ's

Sr.# Question Answer
1 Charge on neutron is
A. 1.6 x 10-19C
B. zero
C. -1.6 x 10-19C
D. 1.2 x 10-19C
2 Which of the following material has longer half life
A. radium
B. polonium
C. radium
D. uranium
3 In radioactive decay, the new element which is formed due to the disintegration of original element is called
A. element
B. daughter element
C. parent element
D. none of these
4 How many isotopes of helium are present?
A. 1
B. 2
C. 3
D. 4
5 The half lie of radium-226 is
A. 238 years
B. 4.5 x 109days
C. 1620 years
D. 332 years
6 In his experiment on nuclear reactions, Rutherford bombardedα particles on:
A. Nitrogen
B. Hydrogen
C. Lead
D. Oxygen
7 The number of protons inside a nucleus is called
A. mass number
B. atomic weight
C. atomic number
D. none of these
8 A particle having the mass of electron and charge of a proton is called a
A. photon
B. position
C. antiproton
D. antineutrino
9 Proton was discovered by Rutherford in
A. 1915
B. 1906
C. 1910
D. 1920
10 For Protium, the mass defect is:
A. Infinite
B. Zero
C. Very large
D. A few grams

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