What Is the Energy of the Photon Required to Knock

question 39

Multiple Choice

What is the energy of the photon required to knock the electron out of a singly ionized Helium atom where the electron was in the n = 4 state?

• A)3.4 eV
• B)1.7 eV
• C)10.2 eV
• D)51 eV

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Definitions:

T-test

A statistical test used to compare the mean of two groups to see if there is a significant difference between them.

Null Hypothesis

The hypothesis that there is no significant difference between specified populations, any observed difference being due to sampling or experimental error.

Alpha

The threshold of probability at which the null hypothesis is rejected in statistical testing, often set at 0.05.

Statistical Significance

Indicates the likelihood that a result or relationship is caused by something other than mere chance.