Question
Asked Nov 8, 2019
31 views

What is the threshold frequency for sodium metal if a photon with frequency 6.66 × 1014 s−1 ejects an electron with 7.74 × 10−20 J kinetic energy? Will the photoelectric effect be observed if sodium is exposed to orange light?

check_circle

Expert Answer

Step 1

The kinetic energy of an electron is the difference between the energy of incident photon and the threshold energy and is given as,

help_outline

Image Transcriptionclose

hv-hv+kineticenergy where vfrequency of incident light Vothreshold frequency h Plank's constant

fullscreen
Step 2

The threshold frequency of metal ca...

help_outline

Image Transcriptionclose

hv hv+kineticenergy h(v-vo) kineticenergy 6.626x103 J.s(6.66x 1014s1-vo)=7.74x 1020J -34 7.74x1020 J (6.66x 104s-v 6.626x1034 J.s V6 -5.49x 101s*,threshold frequency

fullscreen

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.
Tagged in

Science

Chemistry

Physical Chemistry

Related Chemistry Q&A

Find answers to questions asked by student like you
Show more Q&A
add
question_answer

Q: Calculate the amount of heat needed to boil 47.7g of octane (C8H18), beginning from a temperature of...

A: The specific heat capacity for a given chemical species can be defined as the quantity of heat that ...

question_answer

Q: Using the ideal gas equation: PV = nRT, calculate the volume (in liters) a 3.1 mol sample of a gas o...

A: Ideal gas equation is also known as gas density equation. The ideal gas equation is shown below.

question_answer

Q: The balanced equation for the reaction of aqueous Pb(ClO3)2Pb(ClO3)2 with aqueous NaINaI is   Pb(ClO...

A: The limiting reagent refers to the compound that is fully utilized after the completion of chemical ...

question_answer

Q: Calculate the molar solubility of CuX (for which Ksp=1.27×10−36) in each of the following.  A) pure ...

A: All known compounds can be dissolve in certain solvents whereas they remain insoluble in other solve...

question_answer

Q: What is the total pressure in mmHg of a gas mixture containing: 0.25 atm of argon, 350 mmHg of He, a...

A: Given:Pressure of He = 350 mmHg = 0.4605 atmPressure of Ar = 0.25 atm.Pressure of N2 = 0.47368421 at...

question_answer

Q: The rate of change of molar concentration of CH3 radicals in the reaction 2CH3(g) --> CH3CH3(g) w...

A: The given chemical reaction is 2CH3(g)—> CH3CH3(g).

question_answer

Q: college.com/course.html?courseld=15539865&Heplb=67br| Sugar O Shop | Origami Owl Wholesale Glass... ...

A: The number of moles of any substance is equal to the Avogadro number which means that 1 mole of iodi...

question_answer

Q: You have a 2.00 M solution of sucrose and need to use it to make 1.0 L of a 0.500 M solution of sucr...

A: Given conditions areOriginal Molarity of the sucrose solution= 2.0MNew molarity of the sucrose solut...

question_answer

Q: 11.27 Ethylene glycol (HOCH2CH2OH), the major substance in antifreeze, has a normal boiling point of...

A: The boiling point of a given liquid can be defined as the temperature at which the vapor pressure of...