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2 years ago

When electrons absorb energy they are able to

Physics

2 answers:

egoroff_w [7]2 years ago

8 0

Answer:

The answer is B. Move from their ground states up to excited states.

Explanation:

According to quantum mechanics, an excited state of a system such as electrone, atoms or molecules, occurs when they tend to have or receive a greater amount of energy than in their ground state; in this way an electron after absorbing energy, can pass from the ground state to an excited state of greater energy.

MaRussiya [10]2 years ago

7 0

B. Move from their ground states up to excited states

:)

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3 years ago

A circular window of 30 cm diameter in a submarine can withstand a maximum force of 5.20 × 105 N. The maximum depth in a lake to

Svetach [21]

Answer: Option (b) is the correct answer.

Explanation:

The given data is as follows.

F = $5.20 \times 10^{5}$ N

g = 9.8 m/s

radius = $\frac{diameter}{2}$

= $\frac{30 cm}{2}$ = 15 cm = 0.15 m (as 1 m = 100 cm)

Formula to calculate depth is as follows.

F = $\rho \times g \times h \times A$

or, h = $\frac{F}{\rho \times g \times A}$

h = $\frac{5.2 \times 10^{5}}{1000 \times 9.8 \times (3.1416 \times (0.15 m^{2})}$

= 751 m

Thus, we can conclude that the maximum depth in a lake to which the submarine can go without damaging the window is closest 750 m.

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3 years ago

Atoms with a low ionization energy hold tight to their outer valence electrons.

Anestetic [448]

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3 years ago

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Your shadow follows you everywhere. How is it formed? Is it always the same size or shape? Do you always have one shadow?

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2 years ago

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