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Digiron [165]
4 years ago
7

PLEASE HELP FAST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Physics
2 answers:
Leno4ka [110]4 years ago
4 0

The flashlight's beam will all be refracted towards a central axis. But, this is still dependent on the type of lens that is used for the said activity. The speed of light will vary depending whether the lens is a concave or a convex lens. The exit point of the light will always head towards the central axis.

kifflom [539]4 years ago
3 0

Answer:

They will all be refracted toward a central axis

Explanation:

They are going to bend the light in toward a central axis because they will either magnify, or deacrease the sizes. On a concave there will eventually be a focal point and the image will flip.

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What would happen if guard cells in a plant stopped working
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I am fairly certain that the plant would lose water and that gas flow and such would occur

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3 years ago
What is the mass defect of lithium-7? Assume the following: Atomic number of lithium = 3 Atomic mass of lithium = 7.016003 atomi
erastova [34]
Mass defect is the difference of the mass of the constituent particles (protons and neutrons) of the actual mass of the nucleus. The mass of a nucleus is actually less than the mass of the protons and neutrons.

This is how you calculate it for this problem.

lithium - 7 => 3 protons and 4 neutrons

mass of 3 protons = 3 * 1.007276 amu = 3.021828 amu

mass of 4 neutrons = 4 * 1.008665 amu = 4.03466

=> mass of 3 protons + 4 neutrons = 3.021828 amu + 4.03466 amu = 7.056488

Mass defect = mass of 3 protons and 4 neutrons - atomic mass of lithium =

Mass defect = 7.056488 amu - 7.016003 amu = 0.040485 amu
6 0
4 years ago
When atoms get more and more energy, they can ionize. What can happen to a gas as more energy is added to its atoms?
Ulleksa [173]

Answer: Option (A) is the correct answer.

Explanation:

When more and more energy is provided to a gas then its atoms move more rapidly.

This rapid and continuous movement converts the gas into hot ionized ions which have positively charged ions and negatively charged electrons.

Therefore, we can conclude that as the atoms move faster, the gas can change into a plasma.

5 0
3 years ago
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Which subatomic particle is NOT found in the nucleus of an atom? *
Vinil7 [7]

Answer:

Electrons

Explanation:

Only Protons and Neutrons are found in the nucleus

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