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evablogger [386]
3 years ago
11

Use the image below to help you answer this question: Your friend has a red laser pointer. What would happen to the light coming

from the laser pointer if it's wavelength were to increase (decrease its frequency).Single choice. (1 Point)
a The light would shift towards the color blue
b The light would no longer be visible to the human eye
c The light would be brighter
d The light would be less bright

Chemistry
1 answer:
Lorico [155]3 years ago
6 0

Answer:

the light would be less bright

Explanation:

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Which of the following particles has almost no mass? proton neutron electron
ahrayia [7]

<u>Answer:</u> Electron has almost no mass.

<u>Explanation:</u>

Mass is defined as the actual matter that is contained in a substance. At an atomic level, it is expressed in atomic mass units.

The given options are the 3 subatomic particles.

Mass of the given subatomic particles are:

Proton = 1.007276u

Neutron = 1.008664u

Electron = 0.0005485u

Mass of neutron is slightly more than the mass of proton.

From the above information, it is visible that electron has a negligible mass.

Hence, the correct answer is electron.

5 0
4 years ago
What is the mass of an object if the density is 7.85g/l and the volume is 41.25ml
Blababa [14]
The density is the ratio between mass and volume. So the mass is the product between density and volume. But! You have to control the units of measure.

7.85 g/l = 0.00785 kg/l

41.25 ml = 0.04125 l

Mass = (0.00785) x (0.04125) = 0,00032381 kg ---> 0,32381 g

(I hope this is right )
7 0
3 years ago
What causes the earth’s magnetic field? A. currents in the earth’s liquid-metal outer core B. the mineral composition of the ear
S_A_V [24]
The magnetic field is believed to be generated by electric currents in the conductive material of its core, created by convection currents due to heat escaping from the core. So your answer is A
8 0
4 years ago
Read 2 more answers
When particles that attract each other are allowed to come to together, energy is ______
Rufina [12.5K]

Answer:

Released

Explanation:

When particles that attract each other come together, energy is usually released. The combination of the two particles is expected to result in a lower energy system. This lower energy system will be more stable than the different individual particles.

Hence, as this lower energy system is formed, the excess energy originally possessed by the particles is evolved hence energy is released when particles that attract each other are allowed to come together.

5 0
3 years ago
When methylcyclobutane is treated with chlorine gas and heated, the total number of monochlorinated products, including stereois
Tanzania [10]

Answer:

5

Explanation:

The image attached shows the different monochlorination products obtained when chlorine gas is heated with methylcyclobutane.

We must keep in mind that the reaction occurs by free radical mechanism as shown in the image attached. The proportion in which the products are formed depends on the stability of the free radical intermediate leading to that particular product.

Image credit: askiitians

4 0
3 years ago
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