Bissoy.com
Doctors Medicines MCQs Q&A

The number of dislocations is directly proportional to ___ and inversely proportional to ___

The number of dislocations is directly proportional to ___ and inversely proportional to ___ Correct Answer Stress, Shear modulus

N = π L τ k/G b Here, the number of dislocations N which can be piled into a length L of a slip plane, b burgers vector and G is shear modulus. This relation was given by Eshelby.

Related Questions

Consider the following statements: 1. If x is directly proportional to z and y is directly proportional to z, then (x2 - y2) is directly proportional to z2. 2. If x is inversely proportional to z and y is inversely proportional to z, then (xy) is inversely proportional to z2. Which of the above statements is/are correct?
How is the degree of emulsion polymerization related to the monomer concentration, and the rate of radical generation, Ri? , inversely proportional to Ri b) inversely proportional to Ri, directly proportional to . c) directly proportional to Ri, independent of . d) directly proportional to , independent of Ri
Consider the following statement for a ball falling in a viscous fluid: a) The viscous force is directly proportional to the radius of the ball b) The viscous force is directly proportional to the velocity of the ball c) The viscous force is inversely proportional to the radius of the ball d) The viscous force is inversely proportional to the velocity of the ball Which of the above statements are correct?
Which of the following statements are true about edge dislocations?
P. Edge dislocations do not have an extra half plane associated with them.
Q. The Burger vectors is perpendicular to the direction.
R. Edge dislocations can avoid obstacles by cross-slip.
S. Depending on geometry, parallel edge dislocations of opposite signs can attract or repel one another.
Consider the following statements for Euler’s equation to find the critical load of a column : 1. Critical load of a column is proportional to the flexural rigidity. 2. Critical load of a column depends upon yield stress. 3. Critical load of a column is inversely proportional to the length of the column. 4. Critical load of a column is inversely proportional to the square of the length of the column. Which of the above statements are correct?
Screw dislocations with jogs are __________ mobile than edge dislocations. Screw dislocations without jog move __________ from one plane to another than edge dislocation.
Time taken by a bus varies as the distance and inversely as the velocity. On the other side velocity varies directly as cube of petrol used for the journey per kilometer and inversely as the number of boxes the bus is carrying in the journey. Bus complete the journey of 100 km in 2 hours and carry 10 boxes for which petrol required is 10 litters. Find how much of petrol will be used for the journey of 50 km in 5 hours with 4 boxes.
Statement 1: Just like the vapor pressure on an individual component is higher than when it is in bulk, the water activity is low when in bulk. Statement 2: Water activity is directly proportional to the surface tension and molecular weight of water and inversely proportional to density of water.
A is directly proportional to R2 and R is inversely proportional to T. If A is 100 when T is 5, find T when A is 200.
p is directly proportional to q, but indirectly proportional to r, while r is directly proportional to s. Which of the following statement is true?