Question 20 A brand of lightbulb has a power of 55 W and an efficiency of 1.6%. How much power is wasted as heat by this lightbulb? O A. 1.61 W OB. 0.88 W O C. 54.1 W O D. 38.9 W

Daughter element the new element produced along with a decay particle in a nuclear transmutation 2. half-life the substance that decays in a nuclear transmutation 3. parent element the change of one chemical element into another by nuclear decay or radioactive bombardment 4. transmutation the time required for the decay of one-half of the atoms in a sample of radioactive material