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Calculating Frequency from WavelengthThe yellow light
Chapter , Problem 1PE(choose chapter or problem)
Problem 1PE
Calculating Frequency from Wavelength
The yellow light given off by a sodium vapor lamp used for public lighting has a wavelength of 589 nm. What is the frequency of this radiation?
Consider the following three statements: (i) For any electromagnetic radiation, the product of the wavelength and the frequency is a constant, (ii) If a source of light has a wavelength of 3.0 A, its frequency is 1.0 * 1018 Hz. (iii) The speed of ultraviolet light is greater than the speed of microwave radiation. Which of these three statements is or are true? (a) Only one statement is true, (b) Statements (i) and (ii) are true, (c) Statements (i) and (iii) are true, (d) Statements (ii) and (iii) are true, (e) All three statements are true.
Questions & Answers
QUESTION:
Problem 1PE
Calculating Frequency from Wavelength
The yellow light given off by a sodium vapor lamp used for public lighting has a wavelength of 589 nm. What is the frequency of this radiation?
Consider the following three statements: (i) For any electromagnetic radiation, the product of the wavelength and the frequency is a constant, (ii) If a source of light has a wavelength of 3.0 A, its frequency is 1.0 * 1018 Hz. (iii) The speed of ultraviolet light is greater than the speed of microwave radiation. Which of these three statements is or are true? (a) Only one statement is true, (b) Statements (i) and (ii) are true, (c) Statements (i) and (iii) are true, (d) Statements (ii) and (iii) are true, (e) All three statements are true.
ANSWER:
Step 1 of 2
The relation between frequency and wavelength of an electromagnetic light is given by the equation as follows:
Rearrange the formula (1)
Here,
