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mel-nik [20]
3 years ago
5

13. A ground state hydrogen atom absorbs a photon of wavelength 94.98 nm and its electron attains a higher energy level. The ato

m then emits two photons: one of wavelength 4052.3 nm to reach an intermediate level and a second to return to the ground state. What was the wavelength of the second photon emitted?
Business
1 answer:
barxatty [35]3 years ago
6 0

Answer:

wavelength of the second photon emitted is 97.26 nm

Explanation:

Data provided;

Wavelength absorbed = 94.98 nm

Wavelength of the one of the emitted photon = 4052.3 nm

Now,

The energy is given as:

Energy = \frac{\textup{hc}}{\lambda}

here,

h is the plank's constant

c is the speed of the light

λ is the wavelength

Now,

by the principle of conservation of energy

Initial energy = Final energy

Therefore,

\frac{\textup{hc}}{94.98} = \frac{\textup{hc}}{4052.3} + \frac{\textup{hc}}{\lambda_1}

or

\frac{\textup{hc}}{\lambda_1}= \frac{\textup{hc}}{94.98} -  \frac{\textup{hc}}{4052.3}

or

\frac{\textup{1}}{\lambda_1}= \frac{\textup{1}}{94.98} -  \frac{\textup{1}}{4052.3}

or

\frac{\textup{1}}{\lambda_1} = 0.0105 - 2.46 × 10⁻⁴

or

\frac{\textup{1}}{\lambda_1} = 0.01028

or

λ₁ = 97.26 nm

Hence,

the wavelength of the second photon emitted is 97.26 nm

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Answer:

Sale forecast

Explanation:

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Sales forecasting enables organisations to see into the future and strategically plan their moves to increase growth of the company in years to come.

Sales forecasting is also very essential to marketers. If the forecast shows a coming decrease in sales, marketers can adapt by creating different promotions that boost more business.

4 0
3 years ago
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The Murdock Corporation reported the following balance sheet data for 2021 and 2020:
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Answer:

The Murdock Corporation

Statement of Cash Flows

For the year ended December 31, 2016

Operating Activities:

Net income                                             $68,000

Less:

Gain from sale of available-for-sale          6,300

Gain from sale of equipment                     1,900

Operating cash                                     $59,800

Working capital changes:

Accounts receivable                              -13,550

Inventory                                                -21,800

Prepaid insurance                                       680

Accounts payable                                -$74,130

Salaries payable                                     -6,300

Notes payable (current)                       -51,800

Net operating cash flows                 ($107,100)

Investing Activities:

Sale of Available-for-sale securities $84,800

Sale of Equipment                                 8,700

Purchase of new equipment           -163,000

Net investing cash flows                ($69,500)

Financing Activities:

Issue of 6% bonds payable           $218,000

Payment of cash dividends             -29,000

Net financing cash flows              $189,000

Net cash flows                                $12,400

Explanation:

a) Data and Calculations:

                                                              2021            2020       Change

Cash                                                  $97,355       $33,755    +$63,600

Available-for-sale debt securities

(not cash equivalents)                      24,500        103,000      -78,500

Accounts receivable                          98,000         84,450      +13,550

Inventory                                           183,000        161,200      +21,800

Prepaid insurance                                3,120           3,800            -680

Land, buildings, and equipment 1,286,000      1,143,000    +143,000

Accumulated depreciation           (628,000)    (590,000)

Total assets                               $1,063,975    $939,205    

Accounts payable                         $92,540     $166,670      -$74,130

Salaries payable                              27,200        33,500         -6,300

Notes payable (current)                   41,200       93,000        -51,800

Bonds payable                               218,000                 0     +218,000

Common stock                             300,000    300,000            0

Retained earnings                        385,035    346,035

Total liabilities and

 shareholders' equity             $1,063,975  $939,205

Additional Data:

1. Sale of Available-for-sale securities $84,800

Gain from sale of available-for-sale $6,300

2. Sale of Equipment $8,700

Gain from sale of equipment $1,900

3. Issue of 6% bonds payable $218,000

4. Purchase of new equipment $163,000

5. Payment of cash dividends $29,000

6. Net income $68,000

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3 years ago
Q 3.53: During the month of August, Jackson Products recognizes $15,000 in revenues. Jackson's accounting staff records these re
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Answer:

This journal entry is incorrectly recorded making the company's net income decrease in its income statement, retained earnings are decreased in its retained earnings statement, and its assets (receivable account) and the equity of its shareholders both decrease in your balance sheet

Explanation:

The right Journal entry is:

D Account receivable          15000

C Revenue                                            15000

4 0
2 years ago
Suppose the long run production function is given by: Q = 4*L +2K2. Marginal product of labor (MPL) = 4 and wage is $10. Margina
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Answer:

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2 years ago
If the economy booms, RTF, Inc., stock is expected to return 9 percent. If the economy goes into a recessionary period, then RTF
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Answer:

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Explanation:

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<em>Standard deviation is measure of the total risks of an investment. It measures the volatility in return of an investment as a result of both systematic and non-systematic risks.</em>

<em>Non-systematic risk includes risk that are unique to a company like poor management, legal suit against the company . </em>

<em>The variance would be determined as follows:</em>

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Recession              9              2.56                1.74

Boom                     4             11.56               <u>  3.70 </u>

Total                                                           <u>  5.44 </u>

Variance = Sum of  P×(R- r )^2  

    Variance = 5.44

8 0
3 years ago
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