Reason why the clinical thermometer has a long cylindrical bulb and not spherical bulb​

One of the factors of the rate of heat transfer is the amount of surface area contact of the thermometer and the object whose temperature is being measured. By using a cylindrical bulb, rather than a spherical bulb, the time to get an accurate temperature is reduced. hope this helps. Can u give me brainliest

Explanation:

1/0.14nm = 10^10/1.4 a lot

the answer for apex is the lowest