Question: A radar pulse has an average wavelength of 1.0 cm and lasts for 0.10 s. (a) What is the average energy of the photons?

A radar pulse has an average wavelength of 1.0 cm and lasts for 0.10 μ s.
(a) What is the average energy of the photons?
(b) Approximately what is the least possible uncertainty in the energy of the photons?

Step by Step Solution

★★★★★

3.46 Rating (166 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

The wavelength of the photons is related to the energy by E hc where in this ... 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)

956-P-M-L-M (3262).docx

120 KBs Word File

Students Have Also Explored These Related Mechanics Questions!

If you could shine a very powerful flashlight beam toward the Moon, estimate the diameter of the beam when it reaches the Moon. Assume that the beam leaves the flashlight through a 5.0-cm aperture,...

The Hubble Space Telescope has an objective mirror 2.4 m in diameter. With an average wavelength of 550 nm, determine its linear limit of resolution at 600 km (about 370 miles).

1. Find the distance (in meters) traveled by a radio wave in 21.5 h. 2. A radar wave that is bounced off an airplane returns to the radar receiver in 3.78 x 105, How far (in miles) is the airplane...

Problem 2: A uniform electric field is directed from left to right between 2 plates. The potential difference between the 2 plates is set to 2,000 V and the distance between the plates is at 5 cm. a....

HELP ME PLEASE BEEN STOCK HERE FOR HOURS NOW D. Suggested Enrichment/Reinforcement Activitylies Making a Rainbow at Home! A rainbow appears when the light gets split up into its 7 different colours:...

Purpose The purpose of this lab is to introduce the student to the concepts of simple harmonic motion. Introduction A pendulum consists of a bob at the end of a string which is suspended from a...

The experimental result differs from the assumption. The result shows that the ring oscillator frequencies can be grouped into two groups, where the first group is the high frequency group for the...

4. [-/21 Points] DETAILS MY NOTES A transverse wave is observed to be moving along a lengthy rope. Adjacent crests are positioned 0.450 m apart. Exactly 8 crests are observed to move past a given...

uantitative Analysis BA 452 Homework 3 Questions Homework 3 covers the theory and applications in Lessons I-6 and I-7. This document has four parts: Objectives of doing your homework. Assignment of...

A Nd:YAG laser operates in pulsed mode, with an energy of 1 0 0 millijoules per pulse, and a pulse repetition rate of 1 0 Hz ( i . e . , 1 0 pulses per second ) . Its light can be emitted at one of...

Design the rectangular key for a shaft of 50 mm dia., the sheare & crushing stresses for the key material are 42 MPa & 70 MPa

Assume SeatComfy Inc. estimates the demand for its table chairs to be Q = 5,000 - 25P + 4I +10PA - 15 PT, where P = the price of SeatComfy's chairs; PA = average price of competitors' chairs; PT =...

money control risk and investment risk tolerance How does this impact your future financial decisions

After World War I and continuing until after World War II, what quality concept was developed? A. Rigorous inspection standards B. Quality Assurance C. Quality Control D. Six Sigma

What is the equivalent capacitance of two capacitors with capacitances of 0.40F and 0.60F when they are connected (a) In series and (b) In parallel?

(a) Repeat Exercise 4, but find the speed by using energy methods. Find the direction in which the electron is moving by considering electric potential energy changes. In exercise An electron is...

Two identical capacitors are connected in series and their equivalent capacitance is 1.0F. What is each ones capacitance value? Repeat the calculation if, instead, they were connected in parallel.

An online option calculator provides the following Greeks information on 3 options. Please determine the best combination of 2 different call options for a moderately bearish strategy. Assume the...

Chapter 9 Hypothesis Tests for One Population 4 The value obtained for the teststatistic, z, in aone-mean z-test is given. Whether the test is twotailed, lefttailed, or right tailed is also...

8 . Assume the following inputs for parts a , b , and c below. The market portfolio has an expected return of 1 2 % and a standard deviation of returns of 2 0 % . The risk - free rate is 5 % . a )...