Which phenomenon occurs during the following changes?
$(a)$ Formation of clouds.
$(b)$ Drying of wet clothes.
$(c)$ Wax melts in the sun.
$(d)$ Size of naphthalene balls decreases.

  • A
    Condensation,Evaporation,Fusion,Sublimation
  • B
    Evaporation,Condensation,Sublimation,Fusion
  • C
    Sublimation,Fusion,Evaporation,Condensation
  • D
    Fusion,Sublimation,Condensation,Evaporation

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$(a)$ What temperature in Kelvin scale is equal to $50^{\circ} C$?
$(b)$ Describe an activity to show that the rate of evaporation increases with surface area.

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