Atoms and Nuclei Test

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Atoms and Nuclei Test - 52

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Weekly Quiz Competition

Question 1
4 / -1

The phenomena in which proton flips is

A
Nuclear magnetic resonance

B
Lasers

C
Radioactivity

D
Nuclear fusion
Question 2
4 / -1

According to the quark model, it is possible to build all the hadrons using

A
2 quarks and 3 antiquarks

B
3 quarks and 2 antiquarks

C
3 quarks and 3 antiquarks

D
2 quarks and 2 antiquarks
Question 3
4 / -1

Which of the following statements is true?

A
₇₈Pt¹⁹² has 78 neutrons

B
₈₄Po²¹⁴ → ₈₂Pb²¹⁰ + β^–

C
₉₂U²³⁸ → ₉₀Th²³⁴ + ₂He⁴

D
₉₀Th²³⁴ → ₉₁Pa²³⁴ + ₂He⁴
Question 4
4 / -1

What was the fissionable material used in bomb dropped at Nagasaki (Japan) in the year 1945?

A
Uranium

B
Neptunium

C
Berkelium

D
Plutonium
Question 5
4 / -1

A nuclear bomb exploded 200 km above the surface of moon. The sound of explosion on the moon

A
Will be heard before the explosion is seen

B
Will be heard at the same time

C
Will be heard after explosion

D
Will not be heard at all
Question 6
4 / -1

Fast neutrons can easily be slowed down by

A
The use of lead shielding

B
Passing them through water

C
Elastic collisions with heavy nuclei

D
Applying a strong electric field
Question 7
4 / -1

The mass equivalent of 931 MeV energy is

A
1.66 × 10^–27 kg

B
6.02 × 10^–24 kg

C
1.66 × 10^–20 kg

D
6.02 × 10^–27 kg

Solution
Question 8
4 / -1

When ₉₂U²³⁵ undergoes fission, 0.1% of its original mass is changed into energy. How much energy is released if 1 kg of ₉₂U²³⁵ undergoes fission

A
9 × 10¹⁰ J

B
9 × 10¹¹ J

C
9 × 10¹² J

D
9 × 10¹³ J

Solution
Question 9
4 / -1

γ-rays radiation can be used to create electron-positron pair. In this process of pair production, γ-rays energy cannot be less than

A
5.0 MeV

B
4.02 MeV

C
15.0 MeV

D
1.02 MeV

Solution
Question 10
4 / -1

A reaction between a proton and ₈O¹⁸ that produces ₉F¹⁸ must also liberate

A
₀n¹

B
₁e⁰

C
₁n⁰

D
₀e¹

Solution

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Re-Attempt Weekly Quiz Competition

Atoms and Nuclei Test - 52

Result

Atoms and Nuclei Test - 52

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SHARING IS CARING

Question 1

Nuclear magnetic resonance

Lasers

Radioactivity

Nuclear fusion

Question 2

2 quarks and 3 antiquarks

3 quarks and 2 antiquarks

3 quarks and 3 antiquarks

2 quarks and 2 antiquarks

Question 3

78Pt192 has 78 neutrons

84Po214 → 82Pb210 + β–

92U238 → 90Th234 + 2He4

90Th234 → 91Pa234 + 2He4

Question 4

Uranium

Neptunium

Berkelium

Plutonium

Question 5

Will be heard before the explosion is seen

Will be heard at the same time

Will be heard after explosion

Will not be heard at all

Question 6

The use of lead shielding

Passing them through water

Elastic collisions with heavy nuclei

Applying a strong electric field

Question 7

1.66 × 10–27 kg

6.02 × 10–24 kg

1.66 × 10–20 kg

6.02 × 10–27 kg

Solution

Question 8

9 × 1010 J

9 × 1011 J

9 × 1012 J

9 × 1013 J

Solution

Question 9

5.0 MeV

4.02 MeV

15.0 MeV

1.02 MeV

Solution

Question 10

0n1

1e0

1n0

0e1

Solution

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₇₈Pt¹⁹² has 78 neutrons

₈₄Po²¹⁴ → ₈₂Pb²¹⁰ + β^–

₉₂U²³⁸ → ₉₀Th²³⁴ + ₂He⁴

₉₀Th²³⁴ → ₉₁Pa²³⁴ + ₂He⁴

1.66 × 10^–27 kg

6.02 × 10^–24 kg

1.66 × 10^–20 kg

6.02 × 10^–27 kg

9 × 10¹⁰ J

9 × 10¹¹ J

9 × 10¹² J

9 × 10¹³ J

₀n¹

₁e⁰

₁n⁰

₀e¹