Which term describes substances that absorb some wavelenths of light

1 answer:

4 0

<span>A pigment is a substance that absorbs some wavelengths of lights and reflects other, giving something its color. Chlorophyll is the green substance that absorbs light and provides energy for photosynthesis.

Answer to your question: Pigment
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In the diagram below you will see three materials each has its index of refraction given

svetoff [14.1K]

Where's the diagram MAN?

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3 years ago

Can some one do for me a power point

mash [69]

Answer:

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Explanation:

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3 years ago

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What is the mass of an object if a force of 17 N causes it to accelerate at 1.5 m/s/s?

DochEvi [55]

The answer is m=11.4g

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3 years ago

A bullet is shot vertically upward with an initial velocity of 128 ft/s. The bullet's height after t seconds is y(t) = 128t - 16

saul85 [17]

The height of the bullet when the velocity is zero is 256 ft.

<h3>Height of the bullet when the velocity is zero </h3>

The height of the bullet when the velocity is zero is determined by taking derivative of the function as shown below;

$v = \frac{dy}{dt} = 128 -32t \\\\when \ v \ is \ zero\\\\v = 0\\\\128 - 32t = 0\\\\32t = 128\\\\t = \frac{128}{32} \\\\t = 4 \ s$

The height of the bullet at this time is calculated as follows;

$y(4) = 128(4) - 16(4)^2\\\\y(4) = 256 \ ft$

Learn more about height of projectiles here: brainly.com/question/10008919

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3 years ago

If a force F is exerted on a charged particle when the particle enters a magnetic field B at a velocity v, which of the followin

mixer [17]

Answer:

The correct option is 'c': The Force vector (F) and the magnetic field vector (B) are always perpendicular.

Explanation:

The magnetic force that acts on a charged particle moving in a magnetic field is given by

$\overrightarrow{F}=q\overrightarrow{v}\times \overrightarrow{B}$

As we can see that vector cross product is involved hence we conclude that Force vector (F) is always perpendicular to both the velocity vector (v) and the magnetic field vector (B) which may be at any angle with respect to each other.

Hence we conclude that vectors F and B are always perpendicular.

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3 years ago