Light Shines Through Atomic Hydrogen Gas That Was Initially in Its

question 97

Multiple Choice

Light shines through atomic hydrogen gas that was initially in its ground state.You observe that after awhile much of the hydrogen gas has been excited to its n = 5 state.What wavelength of light entering the gas caused this excitation? (c = 3.00 × 10⁸ m/s,h = 6.626 × 10^-34 J ∙ s,1 eV = 1.60 × 10^-19 J)

• A)110 nm
• B)91.4 nm
• C)95.2 nm
• D)2280 nm

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An interface in Java that receives window events, like opening, closing, or minimizing a window.

WindowListener

An interface in Java Swing that handles window events like opening, closing, minimizing, or maximizing.

WindowListener

An interface in Java that receives window events, such as opening, closing, or minimizing a window.

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In Java, an abstract adapter class for receiving window events, serving as a convenience class for creating listener objects.