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If 4.0 × 1018 atoms decay with a half-life of 2.3 years, ho

A silicon sample A is doped with 1018 Atoms/cm3 ofBoron.

An

An

A certain nucleide has a half life period of 30minutes.

If

If

A man earns 24,000 permonth.

He spends one-third of his inc

He spends one-third of his inc

Half life of substance is 20minutes.

What is the time betwe

What is the time betwe

A family has only thekid.

The father says "after 'n' years,

The father says "after 'n' years,

The time required for half of the __________ of a radioactiv

Half life of a radioactive isotope corresponds to the time r

The amount of a radioactive material (having a half life of

A person has to cover a distance of 6 km in 45minutes.

If h

If h