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3 years ago

Identify at least one example each of absorption, transmission, reflection, and refraction of waves in this photograph.

Physics

2 answers:

Ronch [10]3 years ago

8 0

Answer:

hi,human absorb 0oxygen =aborption ,reflection =the light that entered in the water,refraction =the light that pass outside the water

Explanation:

just olya [345]3 years ago

3 0

Answer:

Refraction = The divers head looks detached from his body.

Absorption = Some of the colours are being absorbed making the snorkel look yellow/greenish.

Reflection = The reflection of the sun, sky, sound and light.

Transmission = Light entering the water.

Explanation:

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miss Akunina [59]

Answer:

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Explanation:

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3 years ago

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3 years ago

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A sled slides down a hill, reaches the level surface, and eventually comes to a stop. Which fact ultimately explains why the sle

Kitty [74]

Answer:

B. The presence of an unbalanced force(e.g friction) causes a moving object to stop.

Explanation:

As the friction is that force that can stop the sled upon reaching the levelled surface so the option b is correct.

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3 years ago

A small cart travels 20 meters to the right in 10 seconds calculate the velocity

stira [4]

The velocity would be 10

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3 years ago

Two cellists, one seated directly behind the other in an orchestra, play the same 220-Hz note for the conductor who is directly

Llana [10]

Answer:

d= 1.56 m

Explanation:

In order to have a constructive interference, the path difference between the sources of the sound, must be equal to an even multiple of the semi-wavelength, as follows:

⇒ d = d₂ - d₁ = 2n*(λ/2)

The minimum possible value for this distance, is when n=1, as it can be seen here:

dmin = λ

In any wave, there exists a fixed relationship between the wave speed, the frequency and the wavelength:

v = λ*f

If v = vsound = 343 m/s, and f = 220 1/s, we can solve for λ:

λ = $\frac{v}{f} = \frac{343 m/s}{220(1/s)} = 1.56 m$

⇒ dmin =λ = 1.56 m

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3 years ago