LSAT 128 – Section 3 – Question 02
LSAT 128 - Section 3 - Question 02
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| Question QuickView |
Type | Tags | Answer Choices |
Curve | Question Difficulty |
Psg/Game/S Difficulty |
Explanation |
|---|---|---|---|---|---|---|---|
| PT128 S3 Q02 |
+LR
| Main conclusion or main point +MC Causal Reasoning +CausR | A
1%
152
B
0%
153
C
0%
154
D
1%
153
E
98%
166
|
127 134 141 |
+Easiest | 145.461 +SubsectionMedium |
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Summarize Argument
Metallic mirrors can’t be used when minimizing energy loss is important. Why not? The mirrors absorb light and waste energy. This is because electrons in the metallic mirror move when light strikes it. This uses energy and makes the reflected image dimmer.
Identify Conclusion
The conclusion is the practical application of the process described: “metallic mirrors cannot be used in applications in which minimizing energy loss is important”
A
Metallic mirrors reduce the effectiveness of high-powered lasers.
Lasers are just an example the author uses of applications where minimizing energy loss is important. The conclusion does not center on these devices alone.
B
Part of the light falling on metallic mirrors tends to be absorbed by them.
This is part of the premises - reasoning for why these mirrors should not be used where minimizing energy loss is important.
C
High-powered lasers require mirrors that conserve energy.
The conclusion centers on these mirrors not being used where minimizing energy loss is important. It does not talk about what mirrors should be used, nor does it focus on lasers alone.
D
A tendency to waste energy is the most significant disadvantage of metallic mirrors.
The stimulus just discusses that the mirrors do waste energy. It does not draw conclusions about how significant the disadvantage is.
E
Metallic mirrors are unsuitable for applications where it is crucial to minimize energy loss.
This accurately paraphrases the conclusion. The author establishes that they are unsuitable and explains why.
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LSAT PrepTest 128 Explanations
Section 1 - Reading Comprehension
- Passage 1 – Passage
- Passage 1 – Questions
- Passage 2 – Passage
- Passage 2 – Questions
- Passage 3 – Passage
- Passage 3 – Questions
- Passage 4 – Passage
- Passage 4 – Questions
Section 2 - Logical Reasoning
- Question 01
- Question 02
- Question 03
- Question 04
- Question 05
- Question 06
- Question 07
- Question 08
- Question 09
- Question 10
- Question 11
- Question 12
- Question 13
- Question 14
- Question 15
- Question 16
- Question 17
- Question 18
- Question 19
- Question 20
- Question 21
- Question 22
- Question 23
- Question 24
- Question 25
Section 3 - Logical Reasoning
- Question 01
- Question 02
- Question 03
- Question 04
- Question 05
- Question 06
- Question 07
- Question 08
- Question 09
- Question 10
- Question 11
- Question 12
- Question 13
- Question 14
- Question 15
- Question 16
- Question 17
- Question 18
- Question 19
- Question 20
- Question 21
- Question 22
- Question 23
- Question 24
- Question 25
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