Nuclear Physics

Deuterium nucleus has a mass of 1.53×10^-3 universal mass units (1.66×10⁻²⁷ kg) less than its components, this mass represents an energy of

• 1.37 X 10¹⁴ J

• 1.48 X 10⁸ J

• 2.12 X 10¹¹ J

• 3.6 X 10⁶ J

The energy equivalent of 5.0 × 10^-3 kg is

• 4.5 X 10¹⁴ J

• 1.37 X 10¹⁴ J

• 2.25 X 10¹⁶ J

• 2.34 X 10¹⁵ J

How much energy is produced when 0.250 universal mass units (1.66×10⁻²⁷) of matter is completely converted into energy?

• 2.25 X 10¹⁶ J

• 2.34 X 10¹⁵ J

• 1.8 X 10¹² J

• 1.14 X 10^-30 J

What is the energy equivalent of a mass of 0.026 kilogram?

• 2.34 X 10¹⁵ J

• 9 X 10¹⁶ J

• 1.14 X 10^-30 J

• 1.8 X 10¹² J

The energy produced by the complete conversion of 2.0 × 10^-5 kilogram of mass into energy is

• 1.8 X10¹² J

• 9 X10¹⁶ J

• 2.25 X 10¹⁶ J

• 1.37 X 10¹⁴ J

The total conversion of 1.00 kilograms of the Sun’s mass into energy yields

• 9 X 10¹⁶ J

• 1.14 X 10^-30 J

• 1.8 X 10¹² J

• 2.34 X 10¹⁵ J

As the binding energy of a nucleus increases, the

energy required to separate the nucleus into

nucleons _____.

• decreases

• increases

• stays the same

• becomes negative to positive

Which of the following statements is/are correct

regarding the binding energy of the nucleus.

I. It is equivalent to the mass defect

II. It is the energy that holds the nucleus

together

III. It is the energy required to remove a

proton from the nucleus

• I only

• II only

• III only

• I and II only

When nucleons form stable nucleus, binding

energy is _______.

• created from nothing

• destroyed into nothing

• absorbed as high energy photons or

  particles

• released as high energy photons or particles

Which graph best represents the relationship

between energy and mass when matter is converted

into energy?

• A

• B

• C

• D