Multiple Choice
A becquerel (Bq) is
A) 3.70 × 1010 decays/s in radium.
B) the SI unit of radioactivity (= 1 decay/s) .
C) a dosage of 2.58 × 10-4 C/kg.
D) 10-2 J/kg.
E) the SI unit of absorbed dose = 1 J/kg = 100 rad.
Correct Answer:
Verified
Correct Answer:
Verified
Q30: Which isotopes are radioactive?<br>A) none<br>B) some<br>C) odd
Q31: In radioactive dating, carbon-14 is often used.
Q32: Which has the greater half-life?<br>A) Strontum-90<br>B) Cobalt-60<br>C)
Q33: Hans Geiger<br>A) discovered radium and polonium.<br>B) invented
Q34: The binding energy of a <sup>170</sup>Yb atom
Q36: All of the following are units used
Q37: If an element of atomic number 15
Q38: Donald Glazer<br>A) observed back-scattering from nuclei.<br>B) invented
Q39: When a neutron is emitted from an
Q40: When an alpha particle is emitted from