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

The circular conducting disk shown in fig p613 lies in the

The circular, conducting, disk shown in Fig. P6.13 lies in the x-y plane and rotates with uniform angular velocity ω about the z axis. The disk is of radius a and is present in a uniform magnetic flux density B = B 0 . O ...

1 consider r one-period model for the price of a stock s

1. Consider R one-period model for the price of a stock s: suppose Its time-0 value S0 is known, and it is known that at t i11w 7’, its value is either Su or Sd. Assume further that V is a derivative on S expiring at tim ...

If you use 50 j of work to push a charge into an electric

If you use 50 J of work to push a charge into an electric field and then release the charge, as it flies past its starting position, what is the kinetic energy?

Point charges of 3uc and -2uc are placed 22m apart where

Point charges of 3uC and -2uC are placed .22m apart where can a third charge be placed so that the net force on it is zero? Give answer in terms of meters from the -2uC charge. This particular question the answer is .340 ...

A carpet is to be installed in a room of length 972 m and

A carpet is to be installed in a room of length 9.72 m and width 5.3 m. Find the area of the room retaining the proper number of significant figures.

1 an experiment done on the moon shows the position of a

1. An experiment done on the Moon shows the position of a particle moving along the y-axis varies in time according to the expression Y(t)= -50 + 100t - 20t 2 , where Y is in m and t is in seconds. (a) Determine the init ...

A man drops a 10kg rock from the top of a ladder of height

A man drops a 10kg rock from the top of a ladder of height 5m. what is the speed just before it hits the ground? What is its kinetic energy when it reaches the ground?

A rigid tank contains water vapor at 250degc at an unknown

A rigid tank contains water vapor at 250°C at an unknown pressure?. The tank is cooled to 150°C when the water vapor starts to condense. Estimate the initial pressure in the tank The final state is saturated vapor. P 1 = ...

1 state the relationship for coulombs inverse square law

1. State the relationship for Coulomb's inverse square law for the force between two point charges. State the name and unit for each quantity used in the relationship. 2. Two electrons are placed 1.5 nm apart. Calculate ...

A convex mirror with a focal length of-20 cm forms an image

A convex mirror with a focal length of-20 cm forms an image 15 cm behind the surface. If the object height is 1.2 cm what is the image height?

  • 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

A cola-dispensing machine is set to dispense 9 ounces of

A cola-dispensing machine is set to dispense 9 ounces of cola per cup, with a standard deviation of 1.0 ounce. The manuf

What is marketingbullwhat is marketing think back to your

What is Marketing? • "What is marketing"? Think back to your impressions before you started this class versus how you

Question -your client david smith runs a small it

QUESTION - Your client, David Smith runs a small IT consulting business specialising in computer software and techno

Inspection of a random sample of 22 aircraft showed that 15

Inspection of a random sample of 22 aircraft showed that 15 needed repairs to fix a wiring problem that might compromise

Effective hrmquestionhow can an effective hrm system help

Effective HRM Question How can an effective HRM system help facilitate the achievement of an organization's strate