In a Fast Rotating Atomic Nucleus the Rate of Rotation $\times$

question 1

Multiple Choice

In a fast rotating atomic nucleus the rate of rotation is related to the energy of the emitted gamma-ray according to the relationship "E_gamma = 2hf," where h = Planck's constant,and f = rotational frequency.Find the period of rotation that corresponds to an energy of 0.75 MeV.

• A)1.2 \(\times\)10^-14 s
• B)2.4 \(\times\) 10^-20 s
• C)8.5 \(\times\) 10¹⁹ s
• D)1.7 \(\times\) 10²⁰ s
• E)1.2 \(\times\) 10^-20 s

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Definitions:

Producer Surplus

The difference between what producers are willing to receive for a good or service and the actual amount they receive, due to the market price being higher.

Fixed Costs

Expenses that do not change with the level of production or sales, such as rent, salaries, and insurance premiums.

Unavoidable Costs

Expenses that a company must pay regardless of its level of production or sales activity, also known as fixed costs.

Long Run Level

A period in economics where all inputs or production factors can be varied, and all costs are variable, allowing for full adjustment to changes.