Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Physics Expert

problem 1) What do you mean by hologram? How is it produced and how is the image reconstructed from it?

problem 2)a) What is an optical fiber? Describe the meaning of the terms:

1) Acceptance angle

2) Numerical aperture

3) Normalized frequency

4) Fractional change in refractive index

b) Core diameter of a graded index fiber is 0.05 mm and its numerical aperture is 0.22. If it carries light of wavelength 850 nm, what is the normalized frequency and what is the maximum number of modes which can be propagated through the fiber?

problem 3)a) describe the objective of conducting the Michelson Morley experiment? describe the experiment. How do you interpret its result?

b) A spaceship moving away from earth with velocity 0.6c fires a rocket whose velocity relative to the spaces hip is 0.7c away from the earth. What will be the velocity of the rocket, as observed from the earth?

problem 4)a) describe Moseley's law and what is its significance? How do you describe it on the basis of Bohr's theory?

b) The first order diffraction of X-rays is found to occur from a crystal at a glancing angle of 9°. Compute the wavelength of the X-rays and glancing angle for their second order diffraction if the inter-planar spacing in the crystal is 2.51 Å.

problem 5)a) prepare down the difference between phase and group velocities? Demonstrate that the wave group associated with a particle moves with the velocity of the particle. Also determine a relation between the phase and group velocities.

b) X-rays of wavelength 0.144 Å are scattered from a graphite block. Determine the maximum shift in their wavelength and the maximum energy imparted to the recoil electrons.

problem 6)a) What is Meissner effect? Describe the difference between Type-I and Type-II superconductors.

b) Find out the critical temperature for aluminium if the magnetic flux penetration depths for aluminium are 16 nm and 96 nm at 2.18 K and 8.1 K, respectively.

Physics, Academics

  • Category:- Physics
  • Reference No.:- M98093

Have any Question? 


Related Questions in Physics

1 if the above sample is n-type and the electron

1. If the above sample is n-type and the electron concentration at the location x 1  is N(x 1 )=10 16 cm -3 , what is the drift current density in A/cm 2 ? What is the concentration gradient at this point, dN(x 1 )/dx? 2 ...

The coefficient of kinetic friction between the block and

The coefficient of kinetic friction between the block and the ramp is 0.20. If the distance for the to reach the top of the ramp or the bottom of the ramp are both 10 m, how long will it reach the top or bottom of the ra ...

A use a computer algebra system to find and simplify the

(a) Use a computer algebra system to find and simplify the derivative of the given function. (b) Without a computer algebra system, use differentiation rules to calculate the derivative. Make sure that the answer simplif ...

Many texts draw figure 81 in the form of a venn diagram

Many texts draw figure 8.1 in the form of a Venn diagram (figure 8.2). Discuss why this diagram is a misleading representation of entropies. Hint: consider the three-variable ensemble XY Z in which x ∈ {0, 1} and y ∈ {0, ...

A 85 cubic meter tank of nitrogen is at 60ccelsius and

A 85 cubic meter tank of nitrogen is at 60C(Celsius) and 500kPa pressure. (1) calculate the rms velocity for the nitrogen molecules (2) calculate the average translational and rotational kinetic energy of the molecules. ...

1 the population of the ukraine fell from 457 million in

1. The population of the Ukraine fell from 45.7 million in 2009 to 45.42 million in 2010.40 Assuming exponential decline, in what year is the population predicted to be 45 million? 2. Find the half-life of a radioactive ...

A a gas bottle contains 752times1023nbsphydrogen molecules

a.) A gas bottle contains 7.52×10 23  Hydrogen molecules at a temperature of 369 K. What is the thermal energy of the gas? (You might need to know Boltzmann's constant: k B  = 1.38×10 -23  J/K.)  b.) How much energy is s ...

What is the magnitude of the temperature

What is the magnitude of the temperature change |ΔT|= 12.6 K in degrees Fahrenheit?

1 draw an energy band diagram especially near the

1. Draw an energy band diagram, especially near the semiconductor-vacuum interface or the semiconductor surface, in the presence of an electric field. 2. Can we draw current or electrons out of the semiconductor into vac ...

A distortion is observed in the experimental hfcv curve of

A distortion is observed in the experimental HFCV curve of the 100A-oxide p-MOSC in problem after it is stressed in a very high electric field (about V G =8V). The distortion is indicated by the non-equal voltage shifts ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro