How Does the Temperature Inside the Umbra of a Sunspot

question 243

Multiple Choice

How does the temperature inside the umbra of a sunspot compare with the solar photosphere outside the sunspot?

• A) The umbra is about 100 K hotter.
• B) The umbra is about 4000 K cooler
• C) The umbra is about 1500 K cooler.
• D) They are about the same temperature, the umbra being an absorbing layer over the sunspot.

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Definitions:

Weber's Law

A principle in psychology that states the smallest change in a stimulus, such as weight or brightness, that can be detected is a constant proportion of the stimulus level.

Constant Proportion

A principle that, in a specific context, a relationship between certain quantities remains consistent, irrespective of changes in other variables.

Absolute Threshold

The minimum intensity of a stimulus that one can detect 50% of the time, which varies across different sensory modalities.

Statistical Average

A value that signifies the central or typical value in a set of data, calculated by dividing the sum of all values by the number of values.