Hemisphere is the exact half of a sphere. When a plane cuts across a sphere at its center, it forms two hemispheres. Surface area of a hemisphere of radius r is given by 2pr2. Volume of a hemisphere of radius r is given by 2/3pr3.
Falling dreams also often reflect a sense of failure or inferiority in some circumstance or situation. It may be the fear of failing in your job/school, loss of status, or failure in love. You feel shameful and a lost sense of self-esteem You are unable to keep up with the status quo and feel that you don't measure up.
This is the simplest of explanations behind such a dream. This can be especially the case, if you have broken up recently and still are in the process of moving on in life. Interpretation # 2. When you dream about your ex, it does not always mean that you long for them or you want them in your life again. It could simply mean that in your dream, you drifted back to the time period when both of you were together. Like in our awake state, sometimes we think about our past and recount the incidents that took place then. In the same way, when we are sleeping, we can go back to earlier times in our life. Interpretation # 3.