This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Mathilda collects photoelectric data in her physics laboratory. She measures a stopping potential ... (Read 21 times)

anjilletteb

  • Hero Member
  • *****
  • Posts: 569
on: Jul 29, 2018
Mathilda collects photoelectric data in her physics laboratory.
 
  She measures a stopping potential of 5.82 volts for radiation of wavelength 100. nm, and 17.99 volts stops 50.0 nm.
  (a) What is the work function for the material in eV?
  (b) From her data one determines Planck's constant to be what?

Question 2

Pressure in a fluid decreases with depth.
 
  Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Perkypinki

  • Sr. Member
  • ****
  • Posts: 339
Reply #1 on: Jul 29, 2018
Answer to Question 1

(a) 6.70 eV
(b) 6.50  10-34 J-s

Answer to Question 2

FALSE


anjilletteb

  • Member
  • Posts: 569
Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review

mcabuhat

  • Member
  • Posts: 344
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Laboratory Mice Laboratory Mice
Potential uses of stem cells Potential uses of stem cells
A concrete wall of a cold storage room measures 3.0 m high, 5.0 m wide, and 20 cm thick. The ... A concrete wall of a cold storage room measures 3.0 m high, 5.0 m wide, and 20 cm thick. The ...
An electron is accelerated from rest through a potential difference of 3750 V. It enters a ... An electron is accelerated from rest through a potential difference of 3750 V. It enters a ...
Physics Physics
Physics question Physics question
Video: Passive Smoke Exposure

For a complete list of videos, visit our video library