Module 4 Test

Which of the following numbers is not in a proper Scientific Notation form?

• 0.581x10⁴

• 5.081x10⁴

• 5.081x10^-4

If the exponent (or power) of a number in scientific notation is negative, it means that the number is

• small

• large

• negative

• not actually in scientific notation

Express 6725.31 in scientific notation

• 6.72531x10³

• 6.72531x10⁴

• 6.72531x10^-3

• 6.72531x10⁶

Which describes the relationship between wavelength and frequency of a wave?

• shorter wavelength goes with higher frequency

• higher frequency goes with longer wavelength

• as frequency increases, wavelength increases

Which of the following is not electromagnetic in nature?

• sound waves

• radio waves

• x-rays

• yellow light

Which of the following has the longest wavelength?

• radio waves

• visible light

• x-rays

• infrared light

Which of the following has the highest frequency?

• x-rays

• radio waves

• infrared light

• ultraviolet light

Chose the best description. Light is

• both a particle and a wave

• a particle

• a wave

• neither a particle or a wave

Which color has the longest wavelength?

• red

• blue

• ultraviolet

Which of the following describes the relationship between frequency and energy of electromagnetic waves?

• as frequency increases, energy increases

• as frequency increases, energy decreases

• as frequency increases, energy is constant