Directions: For each of the questions 46-50, two of the...

Name: Problem 47, Chapter 14: Cracking The AP Physics 1 Exam
Uploaded: 2021-07-15T15:00:00-08:00
Duration: 1 min 47 s
Channel: Pritesh Ranjan
Description: Directions: For each of the questions 46-50, two of the suggested answers will be correct. Select the two answers that are best in each case, and then fill in both of the corresponding circles on the answer sheet. IMAGE IS NOT AVAILABLE TO COPY When a light wave passes from air into water, what properties of the wave change? Select two answers. (A) Frequency (B) Energy (C) Wavelength (D) Speed

Directions: For each of the questions 46-50, two of the suggested answers will be correct. Select the two answers that are best in each case, and then fill in both of the corresponding circles on the answer sheet. IMAGE IS NOT AVAILABLE TO COPY When a light wave passes from air into water, what properties of the wave change? Select two answers. (A) Frequency (B) Energy (C) Wavelength (D) Speed

Directions: For each of the questions 46-50, two of the suggested answers will be correct. Select the two answers that are best in each case, and then fill in both of the corresponding circles on the answer sheet.
IMAGE IS NOT AVAILABLE TO COPY
When a light wave passes from air into water, what properties of the wave change? Select two answers.
(A) Frequency
(B) Energy
(C) Wavelength
(D) Speed

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Key Concepts

Wave Propagation in Different Media

When a light wave passes from one medium to another, such as from air to water, its speed changes due to the differing optical properties of the media. This change is described by the refractive index, which indicates how much a medium slows down light compared to its speed in a vacuum.

Relationship Between Speed, Wavelength, and Frequency

The equation that relates speed, frequency, and wavelength (speed = frequency × wavelength) is fundamental in understanding wave behavior. When the speed of light decreases in a denser medium, the wavelength decreases proportionally to maintain the constant value of the frequency.

Frequency Invariance During Refraction

Despite changes in speed and wavelength when light enters a new medium, the frequency remains constant. This constancy is crucial because the frequency is linked directly to the energy of the light and is determined solely by the source, irrespective of the medium through which the light travels.

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