Atoms and Nuclei Test

Result

Atoms and Nuclei Test - 50

Score
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Rank
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TIME Taken - -

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Weekly Quiz Competition

Question 1
4 / -1

The mass number of He is 4 and that for sulphur is 32. The radius of sulphur nucleus is larger than that of helium, by times

A

B
4

C
2

D
8

Solution
Question 2
4 / -1

Energy of 1 g uranium is equal to

A
9.0 × 10¹³ J

B
9.0 × 10¹⁹ J

C
3.0 × 10¹⁶ J

D
3.0 × 10¹⁷ J

Solution
Question 3
4 / -1

A
200 KeV

B
2 MeV

C
200 MeV

D
2000 MeV

Solution
Question 4
4 / -1

Atomic number of a nucleus is Z and atomic mass is M. The number of neutron is

A
M – Z

B
M

C
Z

D
M + Z

Solution
Question 5
4 / -1

The α-particle is the nucleus of an atom of

A
Neon

B
Hydrogen

C
Helium

D
Deuterium
Question 6
4 / -1

The force acting between proton and proton inside the nucleus is

A
Coulombic

B
Nuclear

C
Both

D
None of these
Question 7
4 / -1

For a nucleus to be stable, the correct relation between neutron number N and proton number Z is

A
N > Z

B
N = Z

C
N < Z

D
N ≥ Z

Solution
Question 8
4 / -1

If a H₂ nucleus is completely converted into energy, the energy produced will be around

A
1 MeV

B
938 MeV

C
9.38 MeV

D
238 MeV
Question 9
4 / -1

The radius of a nucleus of a mass number A is directly proportional to

A
A³

B
A

C
A^2/3

D
A^1/3

Solution
Question 10
4 / -1

A
11 electrons

B
12 protons

C
23 protons

D
12 neutrons

Solution