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RC Answers: BBDCB
Unique phosphorescence characteristics of Blue diamonds
- exhibit prolonged glow
- Hope DIamond has distinctive phosphorescence (is this a type of blue diamond?)
Hope Diamind
- exhibited often > scientific purpose
- Rsch conducted on Hope Diamond
- involves analyse phosphorescence at diff wavelengths
Results of the research
- nature blue diamond: both at 500 and 660
- synthetic blue diamonds: lack 660
- discovery provides reliable technology to differentiate
CR Answers: EE
1. Among people w/o criminal record 1% write 6, among people w criminal record, 8% write 6 -> ?? -> people who write 6 more likely to have criminal record
Gap: not a necessary factor to imply someone to have criminal record. decrease the correlation between writing 6 and criminal record
2.
Box 1 with bell: rings when accessed;
Box 2 without bell: muted when accessed;
Monkey group 1: observed
Monkey group 2: not observed - only take food when muted
A. incorrect, the bell is silent =/ take food silently
B. incorrect, the ones were not observed
C. incorrect, they are not being observed
D. incorrect, consequence not mentioned
E. correctly derived
IR Answers: Indonesia,200,000,Japan |
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