ISC Physics Class 12, Part-2>Chapter 16 - Mass-Energy Equivalence : Nuclear Binding Energy>QUESTIONS>Q 3

EASY

12th ICSE

IMPORTANT

Earn 100

Find the rest-mass energy of electron in $M e V$ .

Important Questions on Mass-Energy Equivalence : Nuclear Binding Energy

HARD

12th ICSE

IMPORTANT

ISC Physics Class 12, Part-2>Chapter 16 - Mass-Energy Equivalence : Nuclear Binding Energy>QUESTIONS>Q 4

What should be the minimum energy of a

γ

-ray photon for the production of an electron-positron pair? What can be the maximum wavelength? The rest-mass of electron (also of positron) is

9.1 \times 10^{- 31} kg

.

HARD

12th ICSE

IMPORTANT

ISC Physics Class 12, Part-2>Chapter 16 - Mass-Energy Equivalence : Nuclear Binding Energy>QUESTIONS>Q 5

The mass-defect in a nuclear fusion reaction is $0.3 %$ . What amount of energy will be liberated in $1 kg$ fusion reaction?

( $1 amu = 1.66 \times 10^{- 27 kg}$ )

HARD

12th ICSE

IMPORTANT

ISC Physics Class 12, Part-2>Chapter 16 - Mass-Energy Equivalence : Nuclear Binding Energy>QUESTIONS>Q 6

What is the equivalent energy in electron-volt of $1$ gram mass?

( $1 amu = 1.66 \times 10^{- 27} kg$ )

HARD

12th ICSE

IMPORTANT

ISC Physics Class 12, Part-2>Chapter 16 - Mass-Energy Equivalence : Nuclear Binding Energy>QUESTIONS>Q 7

Calculate in joule the energy produced by the interaction of a proton and an antiproton. The mass of proton is

1.6725 \times 10^{- 27} kg

.

HARD

12th ICSE

IMPORTANT

ISC Physics Class 12, Part-2>Chapter 16 - Mass-Energy Equivalence : Nuclear Binding Energy>QUESTIONS>Q 8

A proton and an antiproton annihilate into two photons of same frequency. What is the wavelength of the photons produced? The mass of a proton is

1.67 \times 10^{- 27} kg

.

HARD

12th ICSE

IMPORTANT

ISC Physics Class 12, Part-2>Chapter 16 - Mass-Energy Equivalence : Nuclear Binding Energy>QUESTIONS>Q 9

The rest mass of a proton is

1.67 \times 10^{- 27} kg

. What should be the maximum wavelength of a photon to produce a proton-antiproton pair?

HARD

12th ICSE

IMPORTANT

ISC Physics Class 12, Part-2>Chapter 16 - Mass-Energy Equivalence : Nuclear Binding Energy>QUESTIONS>Q 10

Calculate the energy equivalent (in

M e V

) of one-twelfth of the mass of one atom of a carbon-

12

.

HARD

12th ICSE

IMPORTANT

ISC Physics Class 12, Part-2>Chapter 16 - Mass-Energy Equivalence : Nuclear Binding Energy>QUESTIONS>Q 11

The value of one unified atomic mass unit is

1.66 \times 10^{- 27} kg

. Calculate the mass of one atom of

C^{12}

in

kg

.