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pogonyaev
3 years ago
13

2. Explain brightness of light using the wave model of light.

Chemistry
1 answer:
Snezhnost [94]3 years ago
3 0

Answer:

the wave model of light is useful for explaining brightness, color, and the frequency-dependent bending of light at a surface between media. For example, students could observe some of the wave behaviors or light by observing that when light passes through a small opening the waves spread out. They could observe that if the wavelength is short, the waves spread out very little, whereas longer wavelengths spread out more

Explanation:

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What are the needs & advantages of career planning?
erik [133]

Answer:

The correct options are;

1) Hierarchical

2) Frustration

3) Attraction

4) Gative

5) Bridging

Explanation:

A career can be defined as a person's trade or occupation, which he or she engages and progresses in for a considerable portion of his or her life

When a person is engaged in a career that is not best suited to them can therefore lead to frustration, due to the length of time required in building a career

Agriculture, veterinary and nursing are mainly hands on or time input (for agriculture) careers, that seek to attract young people

The existence of poor health and safety conditions in an organization limits the advancement of individuals in their chosen career within the organization

Therefore, we have;

Career is a sequence of related jobs arranged in a <u>hierarchical</u> order

Wrong choice of career may lead to <u>frustration</u>

Agriculture, veterinary, and nursing provide better <u>attraction</u> to young people

Poor health and safety conditions in an organization causes <u>gative</u> effect on the choice of career

The essence of career planning is the <u>bridging</u> of individual with organizational goal.

4 0
3 years ago
An unknown substance has been shown to have weak covalent bonds.
Anton [14]

Answer:

Low melting point.

Explanation:

We cannot link the pH of a substance from it bonds directly.

Ionic compounds have strong ionic bonds but we cannot say that they will have high or low pH.

High conductivity is a feature of ionic compounds generally (also metals)

low melting point means the bonds are weak so they can be weak covalent bonds.

Low flammability is not related to bonding.

6 0
3 years ago
Please help!<br>Gravity and magnetism are examples of?​
densk [106]

Separation of materials

Refrigerator magnets to open and close doors

lawn mowers

5 0
3 years ago
State the type of bonding—ionic, covalent, or metallic—you would expect in each:<br> (b) MgCl₂(s);
IceJOKER [234]

MgCl2 is an ionic compound because chemical bonds in the molecule are formed by the transfer of electrons among Mg and Cl atoms.

<h3>What is chemical bond ?</h3>

A chemical bond is a strong bond that can be formed between atoms, ions, or molecules to create chemical compounds. The bond may be created by the sharing of electrons in covalent bonds or by the electrostatic attraction of two oppositely charged ions, as in ionic bonds. Covalent, ionic, and metallic bindings are examples of "strong bonds" or "primary bonds," whereas dipole-dipole interactions, the London dispersion force, and hydrogen bonding are examples of "weak bonds" or "secondary bonds."

The positively charged protons in the nucleus and the negatively charged electrons in its orbit are attracted to one another by the basic electromagnetic force.

To learn more about chemical bonds from the given link:

brainly.com/question/819068

#SPJ4

3 0
2 years ago
Marc wants to make his audience think about his presentation topic after it is over. What would help him achieve this goal?
sladkih [1.3K]
B.) ENDING WITH A STIMULATING QUESTION
4 0
3 years ago
Read 2 more answers
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