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

Author Question: If a monochromatic light beam with quantum energy value of 4.0 eV is incident upon a photocell where ... (Read 68 times)

erika

  • Hero Member
  • *****
  • Posts: 522
on: Jul 28, 2018
If a monochromatic light beam with quantum energy value of 4.0 eV is incident upon a photocell where the work function of the target metal is 1.60 eV, what is the maximum kinetic energy of ejected electrons?
 a. 4.6 eV
  c. 2.4 eV
  b. 4.8 eV
  d. 1.4 eV

Question 2

Light of wavelength 6.1  10-7 m has an energy of: (h = 6.63  10-34 Js, c = 3.00  108 m/s)
 a. 3.1  10-19 J
  c. 1.7  10-19 J
  b. 1.5  10-19 J
  d. 3.3  10-19 J


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

SamMuagrove

  • Sr. Member
  • ****
  • Posts: 312
Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

D


erika

  • Member
  • Posts: 522
Reply 2 on: Jul 28, 2018
Excellent

Dominic

  • Member
  • Posts: 328
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Changes in light quality with depth: (a) the rich colours on a shallow coral reef; Changes in light quality with depth: (a) the rich colours on a shallow coral reef;
Part of the Hubble Ultra-Deep Field image showing a typical section of space containing galaxies int Part of the Hubble Ultra-Deep Field image showing a typical section of space containing galaxies int
Energy Coupling Energy Coupling
Ocean Energy Ocean Energy
A horizontal, 2.00 m long, 3.00 kg uniform beam that lies along the east-west di A horizontal, 2.00 m long, 3.00 kg uniform beam that lies along the east-west di
Comparing uncontrolled and controlled energy release. Comparing uncontrolled and controlled energy release.
Video: Bone tissue types - compact and spongy

For a complete list of videos, visit our video library