A Thousand Years After the "Big Bang" the Background Temperature $\backsim$

question 18

Multiple Choice

A thousand years after the "Big Bang" the background temperature of the universe was at $\backsim$ 10⁵ K.The peak wavelength of the blackbody radiation at that temperature is

• A)29 nm
• B)290 nm
• C)56 nm
• D)560 nm
• E)730 nm

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Definitions:

Ulcers

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Emotion-focused Coping

Strategies aimed at managing and reducing the emotional distress associated with stressful situations rather than directly tackling the problem.

Social Support

The perception and actuality of being cared for, supported, and assisted by others, which can positively affect mental and physical health.

Stress

A psychological and physiological response to perceived challenges or threats, leading to a wide range of physical and emotional reactions.