Question

solve the above problems​

Answer 1

i) Deposition is the phase transition in which gas transforms into solid without passing through the liquid phase. Deposition is a thermodynamic process. The reverse of deposition is sublimation and hence sometimes deposition is called desublimation. ... This causes the water vapor to change directly into a solid.

ii) Calculating Density of Solids or Liquids

Figure out the volume, by either measuring the dimensions of a solid or using a measuring jug for a liquid. ...

Put the object or material on a scale and figure out its mass.

Divide the mass by the volume to figure out the density (p = m / v).

iii) erg

iv) While a light ray is travelling through air, its path is a straight line. When the ray passes from air to glass (or any transparent material, e.g. clear plastics, diamonds, etc.), the ray is, in general, bent at the surface of separation.

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