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zalisa [80]
3 years ago
15

Small band of frequencies the retina of the eye responds to

Chemistry
2 answers:
horrorfan [7]3 years ago
8 0

Answer:

Visible light

Explanation:

our eyes are sensitive to a very narrow band of frequencies within the enormous range of frequencies of the electromagnetic spectrum. This narrow band of frequencies is referred to as the visible light spectrum. Visible light.

Serhud [2]3 years ago
6 0

Answer:

Visible light.

Explanation:

It says visible as in visible to us we cant see the others or they would also be called visible light.

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If the half-life of a radioactive substances is 590 million years and you have 40 atoms of it, how many half-lives will have pas
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Answer:

3

Explanation:

Applying,

2^{n'} = R/R'............... Equation 1

Where n' = number of halflives that have passed, R = Original atom of the substance, R' = atom of the substance left after decay.

From the question,

Given: R = 40 atoms, R' = 5 atoms

Substitute these values into equation 1

2^{n'} = 40/5

2^{n'} = 8

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Equation the base,

n' = 3

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vredina [299]

Answer:

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Explanation:

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Acetone is a polar molecule, therefore, it will dissolve in water.

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Hexane is a non-polar molecule, therefore, it will not dissolve in water.

Methanol is a polar molecule, therefore, it will dissolve in water.

Decane is a non-polar molecule, therefore, it will not dissolve in water

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