How to Eliminate Choices:
- What UNIT should the answer be in? Especially for those questions with no numbers. Look at the arrangements of the variables to find which choices are in the correct units (dimensional analysis)
- Should the answer be larger or smaller than a given value in the problem? (increase/decrease/relationship problems)
- For graphs, think about probable shapes and slopes. Where the line goes to zero is often a good indicator of correct or incorrect choices.
- For those questions that read “Which of the following…” Be extremely careful of the word NOT and be sure to read ALL the choices before picking one. Many mistakes are made when a student picks choice A after reading it and never even gets to B through E.
- Predict the sign of your answer (+/–) to eliminate choices
- Predict the possible directions (for currents, vectors, etc.) to eliminate choices
taken from PGP physics
How to Eliminate Choices:
- What UNIT should the answer be in? Especially for those questions with
are in the correct units (dimensional analysis)
- Should the answer be larger or smaller than a given value in the problem?
(increase/decrease/relationship problems)
- For graphs, think about probable shapes and slopes. Where the line goes to zero is often a
- For those questions that read “Which of the following…” Be extremely
careful of the word NOT and be sure to read ALL the choices before picking
one.
- Predict the sign of your answer (+/–) to eliminate choices
- Predict the possible directions (for currents, vectors, etc.) to
- Many mistakes are made when a student picks choice A after reading it and never even gets to B through E.
eliminate choices
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