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iragen [17]
4 years ago
12

Why do you see colors when you look at reflected light from a cd

Physics
1 answer:
Nady [450]4 years ago
4 0
The colors that you see on the CD are created by white light reflecting from ridges in the metal. When light reflects off or passes through something with many small ridges or scratches, you often get rainbow colors and interesting patterns. They are called interference patterns.
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rjkz [21]
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5 0
3 years ago
Trong thực nghiệm nhiễu xạ qua 1 khe hẹp, bề rộng khe là 2.10-5 m, màn quan sát đặt cách khe 0,5 m. Chiếu ánh sáng có bước sóng
satela [25.4K]

Answer:

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5 0
3 years ago
The speed of light in a transparent medium is 0.6 times that of its speed in vacuum. Find the refractive index of the medium.
grin007 [14]
<h2>Answer:</h2>

The refractive index is 1.66

<h2>Explanation:</h2>

The speed of light in a transparent medium is 0.6 times that of its speed in vacuum .

Refractive index of medium = speed of light in vacuum / speed of light in medium  

So

RI = 1/0.6 = 5/3 or 1.66

3 0
3 years ago
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Nezavi [6.7K]

Answer:

The smallest piece of a substance is an atom.

Explanation:

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The smallest piece that doesn't retain the properties is a quark

Hope I helped you and have a great day!

Please mark me as brainliest and mark me 5.0 with a thank you!

8 0
3 years ago
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On a distance-time graph, time is usually the ____ variable ?<br> A. dependent<br> B. independent
melomori [17]
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5 0
4 years ago
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