How many atoms are there per unit cell in a body centred cubic lattice system?

LohaHridoy
  1. 2
  2. 3
  3. 4
  4. 6

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Answer: Option 1

Let'

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What is the printout of the following switch statement char ch = 'a'; switch (ch){ case 'a': case 'A': System.out.print(ch); break; case 'b': case 'B': System.out.print(ch); break; case 'c': case 'C': System.out.print(ch); break; case 'd': case 'D': System.out.print(ch); }?

Answer: Option 3 Let'

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Whenever some external system of forces acts on a body, it undergoes some deformation. As the body undergoes some deformation, it sets up some resistance to the deformation. This resistance per unit area to deformation, is called?

Answer: Option 2 Let'

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Heat conducted through per unit area and unit thick face per unit time when temperature difference between opposite faces is unity, is called?

Answer: Option 4 A measure of the ability of a material to transfer heat. Given two surfaceson either side of the material with a temperature difference between them,the thermal conductivity is...

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When the difference between mass number and atomic number of atoms of two or more elements are same, the atoms are termed as?

Answer: Option 4 Let'

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Some birds settled on the branches of a tree. First, they sat one to a branch and there was one bird too many. Next they sat two to a branch and there was one branch too many. How many branches were there?

Answer: Option 1 When the birds sat one on a branch, there was one extra bird. When they sat Two to a branch one branch was extra. Now, we go...

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How many molecules per unit cell are there in a face centred cubic lettice?

Answer: Option 2 Let'

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What will be the output of the following piece of code: class Person{ public void talk() {} } public class Test{ public static void main(String args[]){ Person p = null; try{ p.talk(); } catch(NullPointerException e){ System.out.print("There is a NullPointerException. "); } catch(Exception e){ System.out.print("There is an Exception. "); } System.out.print("Everything went fine. "); } }?

Answer: Option 1 Let'

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What will be the result after the class Test execution class A{ public void doA(){ B b = new B(); b.dobB(); System.out.print("doA"); } } class B{ public void dobB(){ C c = new C(); c.doC(); System.out.print("doB"); } } class C{ public void doC(){ if(true) throw new NullPointerException(); System.out.print("doC"); } } public class Test{ public static void main(String args[]){ try{ A a = new A(); a.doA(); }catch(Exception ex){ System.out.print("error"); } } }?

Answer: Option 4 Let'

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The change in length due to a tensile or compressive force acting on a body is given by (where P = Tensile or compressive force acting on the body, $$l$$ = Original length of the body, A = Cross-sectional area of the body and E = Young's modulus for the material of the body)?

Answer: Option 2 Let'

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Fourier's law of heat conduction is (where Q = Amount of heat flow through the body in unit time, A = Surface area of heat flow, taken at right angles to the direction of heat flow, dT = Temperature difference on the two faces of the body, dx = Thickness of the body, through which the heat flows, taken along the direction of heat flow, and k = Thermal conductivity of the body)?

Answer: Option 1 Fourier's law of heat conduction is k. A. (dT/dx) where Q = Amount of heat flow through the body in unit time, A = Surface area of heat...

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