subject

Physics, 05.05.2020 07:15 cravens511peeelg

Work function for platinum is 6.35 eV. (a) Convert the value of the work function from electron volts to joules. J (b) Find the cutoff frequency for platinum. Hz (c) What maximum wavelength of light incident on platinum releases photoelectrons from the platinum's surface? nm (d) If light of energy 7.38 eV is incident on platinum, what is the maximum kinetic energy of the ejected photoelectrons? Give the answer in electron volts. eV (e) For photons of energy 7.38 eV, what stopping potential would be required to arrest the current of photoelectrons? V

ansver

Answers: 1

Show answers

Another question on Physics

question

Physics, 22.06.2019 09:00

Inside of a windmill or a dam is a that is used to transform one type of energy into electrical energy. a. motor b. generator c. transformer d. power pack

Answers: 2

question

Physics, 22.06.2019 15:30

What are the north and south poles of a solenoid change with?

Answers: 1

question

Physics, 22.06.2019 16:00

Amichelson interferometer operating at a 600 nm wavelength has a 3.02-cm-long glass cell in one arm. to begin, the air is pumped out of the cell and mirror m2 is adjusted to produce a bright spot at the center of the interference pattern. then a valve is opened and air is slowly admitted into the cell. the index of refraction of air at 1.00 atm pressure is 1.00028.how many bright-dark-bright fringe shifts are observed as the cell fills with air?

Answers: 1

question

Physics, 22.06.2019 16:00

The electric potential a distance r from a small charge is proportional to what power of the distance from the charge? a. r^-1 b. r c. r^-2 d. r^2

Answers: 1

You know the right answer?

Work function for platinum is 6.35 eV. (a) Convert the value of the work function from electron volt...

Questions

question

Mathematics, 20.09.2019 21:10

Two cars pass one another going in opposite directions along a long straight road. the westbound car is going 60 miles per hour and the ea...

question

English, 20.09.2019 21:10

Someone or something that takes place in the story is called a...

question

Mathematics, 20.09.2019 21:10

Maxium points plz answer if you know only...

question

Mathematics, 20.09.2019 21:10

(8.6×1015)−(4.3×1012) question 2 options: a. 8.5997×103 b. 8.5997×1015 c. 4.3×103 d. 4.3×1015...

question

History, 20.09.2019 21:10

After the death of pharaoh thutmose ii, the pharaoh’s chief wife, hatshepsut, served as regent to young thutmose iii. she later took over full control...

question

Chemistry, 20.09.2019 21:10

4. carlos drives in his car 65 km/hr, when he sees a mama duck and her ducklings in the road. if he slows down at a rate of 10.5 m/s? : a...

question

Mathematics, 20.09.2019 21:10

Plz , will give i can’t write poems if my life depended on write a poem depicting why oceans are important. the poem should include the ocean’...

question

Chemistry, 20.09.2019 21:10

Question 14 (10 points) (05.06 mo a chemist reacted 17.25 grams of sodium metal with an excess amount of chlorine gas. the chemical reacti...

question

Computers and Technology, 20.09.2019 21:10

someone else can drive your car if a. you have proof of residency b. they have proof of residency c. you have proof of insurance

question

Biology, 20.09.2019 21:10

Plz , will give i can’t write poems if my life depended on write a poem depicting why oceans are important. the poem should include the ocean’...

question

History, 20.09.2019 21:10

3. what was the capital of the byzantine empire? what was unique about this city?...

question

Physics, 20.09.2019 21:10

40 ): a proton moves from left to right across the screen at speed v0. then a uniform magnetic field of strength 0.80 t is directed into the...

question

History, 20.09.2019 21:10

The ganges plain is a. an area in northern india and bangladesh that supports agriculture b. a large desert in southern india c. a group of large lak...

question

Mathematics, 20.09.2019 21:10

Abaker has 24 sesame bagels and 36 plain bagels to put into boxes each box must have the same number of each type of bagel what is the greatest number...

question

English, 20.09.2019 21:10

Urgant ! brainliest ! writing prompt think about a time when you stood up for something you believe in. write a narrative that d...

question

Social Studies, 20.09.2019 21:10

Using the audience take "mental notes" so they can remember what is said. it also makes clear to them how everything in the speech fits together, it...

question

History, 20.09.2019 21:10

Identify and explain two similarities between the status of women under islam during the seventh and eighth centuries c. e. and the status of women in...

question

Social Studies, 20.09.2019 21:10

When tycho observed the new star of 1572, he could detect no parallax. why did that undermine belief in the ptolemaic system? in the perfect heavens...

question

Social Studies, 20.09.2019 21:10

Mika finds that he has very little control over several aspects of his life. whether his education or occupation, the few options available to him are...

question

History, 20.09.2019 21:10

The boston tea party of december 1773 triggered acts of resistance in other colonial cities and took place after bostonians failed to turn away ships...

More questions: Physics Another questions

Questions on the website: 13722363