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Groups > sci.physics > #588251
| From | Sergio <invalid@invalid.com> |
|---|---|
| Newsgroups | sci.physics |
| Subject | Physics Question |
| Date | 2016-07-07 08:28 -0500 |
| Organization | Aioe.org NNTP Server |
| Message-ID | <nllle2$1q3n$1@gioia.aioe.org> (permalink) |
1. A sample of radioactive nuclei of a certain element can decay only by gamma-emission and beta-emission. If the half-life for gamma-emission is 24 minutes and that for beta-emission is 36 minutes, the half-life for the sample is (A) 30 minutes (B) 24 minutes (C) 20.8 minutes (D) 14.4 minutes (E) 6 minutes
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Physics Question Sergio <invalid@invalid.com> - 2016-07-07 08:28 -0500
Re: Physics Question Poutnik <poutnik4nntp@gmail.com> - 2016-07-08 09:02 +0200
Re: Physics Question Sergio <invalid@invalid.com> - 2016-07-08 09:19 -0500
Re: Physics Question moroney@world.std.spaamtrap.com (Michael Moroney) - 2016-07-08 15:06 +0000
Re: Physics Question Odd Bodkin <bodkinodd@gmail.com> - 2016-07-08 10:11 -0500
Re: Physics Question benj <benj@nobody.net> - 2016-07-08 17:12 -0400
Re: Physics Question Odd Bodkin <bodkinodd@gmail.com> - 2016-07-08 16:32 -0500
Re: Physics Question Sergio <invalid@invalid.com> - 2016-07-10 11:15 -0500
Re: Physics Question Fabian Russell <fb@zen.info> - 2016-07-10 19:25 +0000
Re: Physics Question Odd Bodkin <bodkinodd@gmail.com> - 2016-07-10 15:43 -0500
Re: Physics Question Fabian Russell <fb@zen.info> - 2016-07-10 21:52 +0000
Re: Physics Question Odd Bodkin <bodkinodd@gmail.com> - 2016-07-11 07:50 -0500
Re: Physics Question Poutnik <poutnik4nntp@gmail.com> - 2016-07-11 17:04 +0200
Re: Physics Question moroney@world.std.spaamtrap.com (Michael Moroney) - 2016-07-11 01:20 +0000
Re: Physics Question Poutnik <poutnik4nntp@gmail.com> - 2016-07-08 19:01 +0200
Re: Physics Question Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-07-09 21:28 +0200
Re: Physics Question moroney@world.std.spaamtrap.com (Michael Moroney) - 2016-07-10 02:18 +0000
Re: Physics Question Fabian Russell <fb@zen.info> - 2016-07-09 17:11 +0000
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