Atoms and Nuclei [NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Physics]: Questions 57 - 61 of 149

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Question 57

Question MCQ▾

How many electrons, protons, and neutrons are there in a nucleus of atomic number 11 and mass number 24?

Choices

Choice (4)Response

a.

12,11, 13

b.

11,11, 13

c.

11,13, -12

d.

11,12, 13

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Question 58

Question MCQ▾

If mass equivalent to one mass of proton is completely converted into energy then determine the energy produced?

Choices

Choice (4)Response

a.

911.49 MeV

b.

931.49 MeV

c.

431.49 MeV

d.

731.49 MeV

Edit

Question 59

Question MCQ▾

If the mass of3 Li7 is 7.0163 a. m. u. , the binding energy per nucleon for3 Li7 will be,

Choices

Choice (4)Response

a.

zero

b.

39.25 MeV

c.

5.6 MeV

d.

1 MeV

Edit

Question 60

Question MCQ▾

Fission of nuclei is possible because the binding energy per nucleon in them,

Choices

Choice (4)Response

a.

Increases with mass number at high mass number

b.

Decreases with mass number at low mass numbers

c.

Increases with mass number at low mass numbers

d.

Decreases with mass number at high mass number

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Question 61

Question MCQ▾

Consider the decay of radium- (Ra226) atom into an alpha particle and radon- (Rn222) . Then, what is the mass defect of the reaction-

Mass of radium -226 atom = 226.0256 u

Mass of radon - 222 atom = 222.0715 u

Mass of helium - 4 atom = 4.0026 u

Choices

Choice (4)Response

a.

0.0083 u

b.

0.0053 u

c.

0.083 u

d.

Question does not provide sufficient data or is vague

Edit