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The patient is injected with a radioactive isotope with short half-life, for eg Fluorine-18. This isotope decays into positrons. The area damaged with tumour requires more blood supply compared to the hea...
The formula for pressure is Pressure = Force / AreaIf the force is 400N and the area is 120 cm2, the pressure is equal to 400/120, which is 3.33 N/cm2
Essentially that objects have a top speed falling through air to the ground, which is called terminal velocity. This is because we are surrounded by air, so when moving, objects have to push past the air ...
X-rays can be used to look at skeletons and find out whether a bone is broken. Gamma rays can be used to sterilise things such as food and medical equipment.
Given that the drop is small enough it produces a semi sphere on screen of liquid due to surface tension. This acts like a powerful convex lens for the light coming from pixels on the phone screen hence a...
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