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A metal crystallizes into two cubic phases BCC and FCC. The ratio of densities of FCC and BCC is equal to 1.5. Calculate the difference between the unit cell lengths of the FCC and BCC crystals if the edge length of the FCC crystal is equal to 4.0 Å.
Find out the characteristic crystal length if Mass of the crystal m= 10g Density of crystal is d= 5g/m3 Area of crystal A= 10m2
Find out the characteristic crystal length if Mass of the crystal m= 10g Density of crystal is d= 6g/m3 Area of crystal A= 10m2
Find out the characteristic crystal length if Mass of the crystal m= 16.67g Density of crystal is d= 5g/m3 Area of crystal A= 10m2
Find out the characteristic crystal length if Mass of the crystal m= 10g Density of crystal is d= 2g/m3 Area of crystal A= 10m2
Find out the characteristic crystal length if Mass of the crystal m= 10g Density of crystal is d= 1g/m3 Area of crystal A= 10m2
Find out the characteristic crystal length if Mass of the crystal m= 10g Density of crystal is d= 4g/m3 Area of crystal A= 10m2
Find out the characteristic crystal length if Mass of the crystal m= 10g Density of crystal is d= 9g/m3 Area of crystal A= 10m2
Consider the following statements.
1. Coordination means synchronisation of efforts with respect to time and direction.
2. The basic principles of coordination are direct contact and continuity of efforts.
3. In a given situation, cooperation may exist without coordination.
Which of the statement(s) given above is/are correct?
In an ionic crystal if the valancies of cation and anion are VC and VA and the coordination numbers of cation and anions are Nc and NA respectively, then the necessary condition for obtaining a stable crystal structure is