Nucleus

Question 1

1 amu =?

Answer 1

1.66 x 10^-27 kg
Or
931.5 MeV

Question 2

Neutron number?

Answer 2

Is the number of neutrons present in nucleus

Question 3

R=?

Answer 3

R= R• x (A)^1/3

Question 4

R•=?

Answer 4

1.3 fermi

Question 5

Volume=?

Answer 5

V= (4/3) || (R)^3
V= (4/3) || (R•)^3 A

Question 6

Density?

Answer 6

D= m/ [(4/3) || (R•)^3]

Question 7

Density is independent of

Answer 7

Atomic mass (A)

Question 8

Mp=?

Answer 8

1.6 x 10^-27 kg

Question 9

Density of nuclear matter is of the order

Answer 9

10^17 kg

Question 10

Isotopes?

Answer 10

Have same atomic number (Z)

Different mass number (A)

Question 11

Isobars?

Answer 11

Have same atomic mass (A)

Different atomic number (Z)

Question 12

Isotopes?

Answer 12

Have same number of neutrons

Different atomic mass(A) and atomic number (Z)

Question 13

Examples of isotopes?

Answer 13

H-1/H-2/H-3

C-12/C-14

Question 14

Examples of isobars?

Answer 14

C-14/N-14

H-3/He-3

Question 15

Examples of isotones?

Answer 15

H-3/He-4

Hg-198/Au-197

Question 16

Nuclear force are?

Answer 16

Charge independent

Question 17

Fusion reaction takes place at high temperatures because?

Answer 17

The kinetic energy required is very high to overcome repulsion between nuclei