The half-life of a radio-active element is 9 days, what fraction of atoms has decayed in 36 days?

Similar Questions

When cold water is poured on a can containing hot water, the can collapses because the? ...

The ice and steam points of a certain thermometer are -20° and 100° respectively. ...

The image of an object is located 6cm behind a convex mirror. If it's magnification is 0.6, calc...

Sound travels with a different speed in media. In what order does the velocity of sound increase in ...

Which of the following propeties is not considered in choosing mercury as a thermomemetric liquid? ...

To keep a vehicle moving at a constant speed v, requires power P, from the engine. The force provide...

When two objects A and B are supplied with the same quantity of heat, the temperature change in A is...

From the principle of flotation, a body sinks in a fluid until it displace a quantity equal to its o...

A pulse of a sound is transmitted from a ship and the reflection from the sea bed is recorded after ...

What is the value of R when G shows no deflection in the circuit illustrated above? ...