Find the cutoff wave length of potassium

Reference no: EM13494455

Work function of potassium is 2.25 eV.

a) Find the cutoff wave length of potassium

b) If the maximum energy of the photoelectron due to some X-ray, from the surface of potassium is 1.2 eV, find the frequency of the X-ray.

Reference no: EM13494455

Questions Cloud

Which of the following should be disclosed in a summary : Which of the following subsequent events (post-balance-sheet events) would require adjustment of the accounts before issuance of the financial statements?

Define which molecules have nonpolar intermolecular forces : which molecules have nonpolar intermolecular forces a). ClO2- b). NaF c). CF4 d). O3 e). NO

Explain the activation energy for a particular reaction : The activation energy for a particular reaction is 64 kJ/mol. By what factor will the rate constant increase when the temperature is increased from 50 oC to 80 oC

Which of following is not classified as operating activity : Which of the following is a non-cash transaction that should be disclosed in a schedule accompanying the statement of cash flows?

Find the cutoff wave length of potassium : Work function of potassium is 2.25 eV. Find the cutoff wave length of potassium

Explain which of these has the highest vapor pressure : which of these has the highest vapor pressure in a sealed container at a temperature cool enough to produce a liquid? a). CH2CH2OH b). NCl3 c). H2 D). N2 e). CH2OH

What significant events in your life have shaped : What significant events in your life have shaped who you are and What have you learned about yourself from those events?

Explain what is the rate of radioactive decay : What is the activity of a 1.00 mg sample of P-32? c) Approximately what mass of 32P will remain in the original 1.00 mg sample after 57 days. d) What is the rate of radioactive decay after 57 days

Which of following is not a change in accounting principle : Which of the following is the proper time period in which to record a change in accounting estimate?

Reviews

Write a Review

Required(*) Message

Physics Questions & Answers

Find the magnitude of the resulting magnetic field

A sphere of radius R is uniformly charged to a total charge of Q. It is made to spin about an axis that passes through its center with an angular speed ω. Find the magnitude of the resulting magnetic field at the center of the sphere.

Find the equivalent resistance

A resistor is in the shape of a cube, with each side of resistance R . Find the equivalent resistance between any two of its adjacent corners.

What is the electric field at the location

Question: Field and force with three charges? What is the electric field at the location of Q1, due to Q 2 ?

What is the maximum displacement of the bridge deck

What is the maximum displacement of the bridge deck?

What is the magnitude of the current in the wire

What is the magnitude of the current in the wire as a function of time?

Blackbody

Questions on blackbody, Infra-Red Detectors & Optic Lens and Digital Image.

Gravity conveyor

Illustrate the cause of the components accelerating from rest down the conveyor.

Calculate the dc voltage

Calculate the dc voltage applied to the circuit.

Quadrupole moments in the shell model

Determine the tension in each string

Introductory mechanics: dynamics

Calculate the smallest coefficient of static friction necessary for mass A to remain stationary.

Evaluate maximum altitude

Evaluate maximum altitude?

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

Submit Assignment

User Account

All Pages