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Given the properties in the table below
a. Plot the engineering stress-strain curves for the 3 materials. You can assume the materials behave linearly when they plastically deform.
b. Which material is the strongest?
c. Which material is the stiffest?
d. Which material is the toughest?
e. If you impose a 1% strain what happen to the three materials
f. After removing the 1% strain is there any permanent deformation in any of the materials? If so how much? Will any of the material properties in the table change? If so what is the new property?
When two rays of same frequency, similar wavelength, and similar speed moves in the same direction, their superimposition gives result in the interference. Due to interference the
Write about the main features in which Fresnel and Fraunhoffer approaches of diffraction differ? Mention some (at least four) applications of diffraction.
Q. Explain basic working of Interference Filter? An interference filter, which reflects one of more spectral lines and transmits others, while maintaining a nearly zero coeffic
Derivation
A crown glass prism has refractive indices 1.575 and 1.585 for blue and red colours. Determine its dispersive power. What are the basic conditions for a pair of thin prisms to p
for 2013
Finding the centre of gravity of objects Secure a triangular file and place it on a table as a balancing point. Any sharp-edged device with a hat side might be used. Balance se
(i) It having of district bright bands. (ii)It is given by an excited source in molecular state. (iii) E.g. Spectra of molecular NH 3 , CO, H 2 etc.
Does CPH mass increase? Answer; Never, mass of CPH is constant, as like its speed.
Assume a crane lifts a 900 kilogram wrecking ball 12 meters above a concrete slab. 105,840 Joules of potential energy are kept in the wrecking ball. Now the ball is dropp
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