quiz حل الأسئلة الجامعية manage_search الأرشيف

تم الحل ✓
categoryالفيزياء schoolبكالوريوس event_available2026-07-15

السؤال

Transcribed Image Text:

14. The half-life of carbon-14 is 5700 years. Find an equation for the age t of a sample in which 35% of the radioactive nuclei originally present have decayed. 5700 In 0.65 (1) t=- In 2 5700 In 2 (2) t= In 0.65 In 0.65 (3) t= 5700 In 2 In 2 (4) t=- 5700 In 0.35 (5)

check_circle الجواب — حل مفصل خطوة بخطوة

hourglass_top