The half life of a radioactive element is 8-days. How long it take to reduce it from 10 mg to 5 mg?

Related Mcqs:

Water has maximum density at____________?

A. 0°C B. 4°C C. 4° K D. 4.8°C...

UV light falls in the category of___________?

A. Ionizing Radiations B. Non Ionizing Radiation C. Visible light D. None...

A tight-rope walker carries a long pole which he holds across his body. The purpose of this pole is to__________?

A. Prop him up if he falls B. Spread out his weight and reduce the pressure on the rope C. Add extra weight to keep the rope tightly stretched D. To keep the Center of gravity always above vertically above the rope...

Myopia is a human eye disorder That can be corrected by using the lense ?

A: Convex B: Concave C: Cylindrical D: Medicine...

Which of the following gland has  shape of butterfly?

A. Thyroid gland B. Pituitary gland C. Adrenal gland D. Pineal gland...