Given That the Wavelengths of Visible Light Range from 400

question 1

Multiple Choice

Given that the wavelengths of visible light range from 400 nm to 700 nm,what is the highest frequency of visible light? (c = 3.0 × 10⁸ m/s)

• A) 3.1 × 10⁸ Hz
• B) 7.5 × 10¹⁴ Hz
• C) 2.3 × 10²⁰ Hz
• D) 4.3 × 10¹⁴ Hz
• E) 5.0 × 10⁸ Hz

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Definitions:

Margin Requirements

The minimum amount of equity that must be maintained in a margin account to hold an investment position, set by brokerage firms or regulatory bodies.

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A term used in options trading to describe an option that would generate profit if exercised immediately, because the underlying asset's price is favorable to the option's strike price.

Margin Call

A call from a broker to an investor to add more money or securities in order to safeguard against potential losses.