Q57 / 57 · KVPY 2019 (SA) · Physics
A healthy adult of height has an average blood pressure (BP) of of . The heart is typically at a height of from the foot. Take, the density of blood to be and note that of is equivalent to (kilo pascals). The ratio of BP in the foot region to that in the head region is close to
- Aone
- Btwo
- Correct answerCthree
- Dfour
Solution

Pressure at head level
Pressure at foot level
So, ratio or 3
Hence, the correct answer is option: 'C'.