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Serhud [2]
3 years ago
12

Lisa sees the image below as she researches the behavior of light.

Physics
2 answers:
Elza [17]3 years ago
7 0
Refraction. When light is distorted when going through a substance like water, it is being refracted. 
aalyn [17]3 years ago
6 0

The answer to the question is Refraction.

EXPLANATION:

The spoon half dipped inside the water is appeared to be bent. This is due to the optical  phenomenon called refraction.

Refraction is the property of light by virtue of which light ray bends away or towards the normal at the point of incidence when it incidents obliquely at the refracting surface.

In the given figure, light rays are coming from air which is optically rarer medium as compared to water. So, the ray, after striking the air-water interface, gets bent towards the normal in the optically denser medium i.e water.  It is so because the velocity of light in optically denser medium is less as compared to rarer medium.

We view the object due to the light. As light rays are bent, so the spoon is appeared to be bent.

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3 years ago
In what factors sound can be heard​
MariettaO [177]

Explanation:

Loudness of sound is a measure of response of sound to our ear. Loudness of sound is not simply the energy reaching the human ear, but it also tells about the sensitivity of human ear detecting this energy. Loudness of sound is measured in decibel (dB). As energy reaching the ear depends on square of amplitude, loudness of sound depends on various factors namely,

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Results of attitude research with twins has revealed
Tamiku [17]

Answer and explanation;

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8 0
3 years ago
Two sound waves are traveling through the same medium. They have the same amplitude, wavelength, and direction of travel. If the
Sloan [31]

Answer:

Constructive interference

Explanation:

Here, the medium is same, same wavelength, same frequency, same amplitude and same direction of propagation.

Let the intensity of waves be I which is same for both

The formula for the net intensity is

I^{2}=I_{1}^{2}+I_{2}^{2}+2I_{1}I_{2}Cos\phi

where, Ф be the phase difference

So, I_{R}^{2}=I^{2}+I^{2}+2IICos6\pi

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7 0
3 years ago
In his explanation of the threshold frequency in the photoelectric field, Einstein reasoned that the absorbed photon must have t
Doss [256]

Answer:

4.6×10^-7 m or 0.46nm

Explanation:

From

Wo= hc/λ

Where:

Wo= work function of the metal

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λ= hc/Wo

λ= 6.6×10^-34 × 3×10^8/4.30×10^-19

λ= 4.6×10^-7 m

5 0
3 years ago
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