The blackbody curve for a star named Zeta is shown below. What is the peak wavelength for this star?
2 answers:
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Answer:
The correct answer is "22.27 hours".
Explanation:
Given that:
Radioactive isotope activity,
= 490,000 Bq
Activity,
= 110,000 Bq
Time,
= 48 hours
As we know,
⇒
or,
⇒
By taking "ln", we get
⇒
By substituting the values, we get
⇒
⇒
As,
⇒
then,
⇒
⇒