Explain the longest wavelength in nm of light necessary

Reference no: EM13214166

If it requires 197 kj/mol to eject electrons from a mixed alkali metal photocathode, what is the longest wavelength in nm of light necessary to eject these electrons by the photoelectric effect?

Reference no: EM13214166

Questions Cloud

Explain a sample of chlorine gas at a pressure : A sample of chlorine gas at a pressure of 420 mm Hg and in a volume of 3.50 L was heated from 18.0oC to 45.0oC after being transferred to a container of volume 2.35 L. The pressure in this new container should be about

Real gdp in the current year equals to what : Suppose there are five goods in the economy, A-E. The current-year quantity of each is 10A, 20B, 30C, 40D, and 50E. Current-year prices are $1 for each unit of A, $2 for each unit of B, $3 for each unit of C, $4 for each unit of D, and $5 for each..

Explain what is the empirical formula of the compound : the combustion of a 0.519 g sample of the compound yields 1.24 g of CO2 and 0.255 g of H2O. What is the empirical formula of the compound?

Is the industry in long run equilibrium at the price : Below is a table with total data for a firm in a perfectly competitive industry. Quantity Total Cost 0 100 10 220 15 300 20 360 25 450 30 600 35 770 40 960 a. What is the marginal cost and average total cost for the firm at each level of output

Explain the longest wavelength in nm of light necessary : eject electrons from a mixed alkali metal photocathode, what is the longest wavelength in nm of light necessary to eject these electrons by the photoelectric effect?

What is the profit maximizing level of advertising : Smith Corp. has determined that its contribution margin, (P - MC)/P, is 40%. A recent market research study found the following relationship between adverting outlays and sales revenue. Advertising Outlays Gross Revenues from Sales $500,000 $4,000..

Explain the partial pressure of argon would be about : If the mixture contained 56 grams CO2, 3.04 mol CO and 9.03 X 1023 atoms of argon, the partial pressure of argon would be about

Determine the total market value of all final goods : Suppose the total market value of all final goods and services produced this year in economy X is $4 million. Of the $4 million worth of goods, $3 million is sold and $1 million is held in inventory. For this year, the GDP for economy X is

Explain unknown gas was sealed and a pressure : Exactly 5.02 grams of an unknown gas was sealed in a 3.0 L flask at 37.0oC and a pressure of 1.25 atm. Which one of the following is most likely to be the unknown

User Account

All Pages