Question

$SI$ unit of radioactivity is Bq which is equal to 1 dps. If true enter 1, else enter 0.

Answer 1

`The unit of radioactivity of a substance is measured as the rate at which it changes into daughter nucleus. It has been derived on the scale of disintegration of radium.

The SI unit of activity is dps or Becquerel.

$1$ Curie ($\because 3.7\times {10}^{10}$ dps) $=3.7\times {10}^{10}$ dps $=3.7\times {10}^{10}$ Becquerel $=3.7\times {10}^4$ Rutherford $(\because$ Rd $={10}^6$ dps)