Discover a world of knowledge and get your questions answered at IDNLearn.com. Discover thorough and trustworthy answers from our community of knowledgeable professionals, tailored to meet your specific needs.

a passenger on an airplane flying across the atlantic receives an extra radiation dose of about 5 μsv per hour from cosmic rays. assume there are no other significant radiation sources besides natural background. suppose that the natural background exposure in a year is 3 msv. How many hours of flying would it take in one year for a person to double his or her yearly radiation dose?