Question: The Planck distribution gives the energy in the wavelength range dA at the wavelength A. Calculate the energy density in the range 650 nm to

The Planck gives the energy in the wavelength range dA at the wavelength A. Calculate the energy density in the range 650 nm to 655 nm inside a cavity of volume 100 em3 when its temperature is
(a) 25°C,
(b) 3000°C

Step by Step Solution

★★★★★

3.50 Rating (167 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

The energy density in the cavity does not depend on the volume of ... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

57-C-PC-S (18).docx

120 KBs Word File

Students Have Also Explored These Related Physical Chemistry Questions!

A 0.5-lb block B fits inside a small cavity cut in arm OA, which rotates in the vertical plane at a constant rate such that v = 9 ft/s. Knowing that the spring exerts on block B a force of magnitude...

When light of wavelength 400 nm passes through 3.5 mm of a solution of an absorbing substance at a concentration 0.667 mmol dm-3, the transmission is 65.5 per cent. Calculate the molar absorption...

A beam of light of wavelength 580 nm passes through two closely spaced glass plates, as shown in figure. For what minimum non-zero value of the plate separation d will the transmitted light be...

Explain how the principles of quantum mechanics are able address the issues. The development of quantum mechanical theory stems from several issues that could not be addressed by the principles of...

1. Use the Planck distribution function for spectral density per unit volume (equation 7A.6a) to calculate the energy density in the range from 650 nm to 655 nm from a blackbody of volume 100 cm when...

ATTEMPT IS YOU ARE SURE OF YOUR QUESTIONS KINDLY A.1 A cup containing 0.5 kg of water at 50C is left to cool to the temperature of its surroundings: 15C. Is this a reversible process? [1] What is the...

For example, when a ball is thrown into the air, it gains kinetic energy as it moves upward. As it reaches the top of its trajectory, this kinetic energy is converted into potential energy. When the...

This means that there is no preferred frame of reference in the universe, and the laws of physics are the same regardless of where an observer is located. This principle has been confirmed by...

ergy in the system remains constant throughout this process Do the entire questions: One of the most fundamental principles of physics is the conservation of energy. This principle states that energy...

energy is converted back into kinetic energy. The total amount of energy in the system remains constant throughout this process Do the entire questions: One of the most fundamental principles of...

For each of the following situations, decide whether the search violated the Fourth Amendment. Can the evidence seized be used in court? * 1 The police see Marian standing at a bus stop on a downtown...

Derive the MBE for a tank with rigid and incompressible walls (i.e. tank volume remains constant regardless of the fluid pressure inside) for the cases of different conditions shown below. The tank...

under cash - basis accounting, what is the appropriate day to record the expenses related to the sand volleyball camp

Complete the following table. Assume that the real interest rate is 3% per year, and inflation is expected to be constant at 2% per year. Recall that nominal cash flows must be discounted using...

Greenfield Consultants conducts analyses of public policy issues. The company has two units: Government (with various U. S. government agencies as the only clients) and Corporate (with several...

Below is the extract of system for billing and recording accounts receivable which is in use at Laverton Corporation Ltd (Laverton), a manufacturer of desktop computers. All the sales are in credit....

Explain why each of the following should be taken into account when GDP data are used to compare the level of well-being in different countries: Population levels The distribution of income The...

Use a group theoretical argument to decide which of the following transitions are electric-dipole allowed: (a) The * transition in ethene, (b) The *n transition in a carbonyl group in a C 2v...

Consider an evacuated laser cavity of length 1.0 cm. What are the allowed wavelengths and frequencies of the resonant modes?

Describe the principles of (a) continuous-wave and (b) pulsed laser action.

15 minutes Question 2 (20 Marks) Required: Prepare the Statement of Comprehensive Income as at: 28 February 2021. Embassy Traders Pre-adjustment Trial Balance as at: 28 February 2021 Debit Credit...

Question in Chemical Engineering Please Give Correct answer im preparing please otherwise I will dislike 9 8 0

Question 2 1 pts Gaspar is owed EUR 275,834 in six months, but his assets are in USD. He wishes to eliminate her forex risk using options. He can invest in put or call options with a strike price of...