If 65% of the Initial Amount of a Radioactive Sample

question 51

Short Answer

If 65% of the initial amount of a radioactive sample has decayed after 5 hours,find the decay constant λ and the half life of the element.

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Definitions:

Ohmmeter

A device used to measure electrical resistance within a circuit.

Permanent Magnet Motor

An electric motor that uses permanent magnets instead of electromagnets as the field coils. They draw less power than motors with electromagnetic field coils and can be made smaller as a result.

Power Door Locks

An electrically controlled system that locks and unlocks the doors of a vehicle, offering convenience and increased security.

Digital Multimeter

A handheld electrical testing device that can measure AC and DC voltage, resistance, amps, and other measurements.