Atoms and Nuclei Test

Result

Atoms and Nuclei Test - 53

Score
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Rank
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TIME Taken - -

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Weekly Quiz Competition

Question 1
4 / -1

A
An oxygen nucleus with mass 17

B
An oxygen nucleus with mass 16

C
A nitrogen nucleus with mass 17

D
A nitrogen nucleus with mass 16
Question 2
4 / -1

A
A = 234, Z = 94

B
A = 234, Z = 90

C
A = 238, Z = 94

D
A = 238, Z = 90

Solution
Question 3
4 / -1

If 200 MeV energy is released in the fission of a single U²³⁵ nucleus, the number of fissions required per second to produce 1 kilowatt power shall be (Given 1 eV = 1.6 × 10^-19 J)

A
3.125 × 10¹³

B
3.125 × 10¹⁴

C
3.125 × 10¹⁵

D
3.125 × 10¹⁶

Solution
Question 4
4 / -1

A chain reaction is continuous due to

A
Large mass defect

B
Large energy

C
Production of more neutrons in fission

D
None of the above
Question 5
4 / -1

In nuclear fission, the fission reactions proceeds with a projectile. Which of the following suits the best?

A
Slow proton

B
Fast neutron

C
Slow neutron

D
None of these
Question 6
4 / -1

When two deuterium nuclei fuse together to form a tritium nuclei, we get a

A
Neutron

B
Deutron

C
α - particle

D
Proton

Solution
Question 7
4 / -1

1 g of hydrogen is converted into 0.993 g of helium in a thermonuclear reaction. The energy released is

A
63 × 10⁷ J

B
63 × 10¹⁰ J

C
63 × 10¹⁴ J

D
63 × 10²⁰ J

Solution
Question 8
4 / -1

A

B

C

D

Solution
Question 9
4 / -1

A
28

B
27

C
26

D
22

Solution
Question 10
4 / -1

Thermal neutrons can cause fission in

A
U²³⁵

B
U²³⁸

C
Pu²³⁸

D
Th²³²