The Wavelength of Light Visible to the Human Eye Is

question 43

Multiple Choice

The wavelength of light visible to the human eye is in the order of 5 *10-7 m. If the speed of light in air is 3 *108 m/s, find the frequency of the lightwave.

• A)3 * 107 Hz
• B)4 * 109 Hz
• C)5 * 1011 Hz
• D)6 *1014 Hz
• E)4 *1015 Hz

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Definitions:

Attitude

A psychological construct that embodies an individual's positive or negative evaluations, feelings, and tendencies towards an object or idea.

Optimists

Individuals who tend to maintain a positive outlook on life and anticipate positive or favorable outcomes, often exhibiting resilience in the face of adversity.

Pessimists

Individuals who tend to see the worst aspect of things or believe that the worst will happen; a tendency to expect negative outcomes.

Attitude-improving Feedback

Constructive criticism or positive reinforcement aimed at encouraging a change in behavior or attitude.