Physics Review QuestionUnit:
OpticsYear:
1990 Question#:
92Question:
If object ab
is located 0.05 meters away from point o
and the focal length is 0.04 meters, its image will be located ...(1
) farther from the mirror than c
(2
) between c
and f
(3
) between f
and the mirror(4
) behind the mirrorWhat is this question really asking?
Explanation by: IrinaK [ Return to question menu
]Answer 1
farther from the mirror than c
CORRECT Using the formula the answer is .2 meters away and that is further than c
which is only .08 meters away.
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Answer 2
between c
and f
INCORRECT The formula does not give an answer that could fit between those two points return to top
Answer 3
between f
and the mirrorINCORRECT This distance is way too close. return to top
Answer 4
behind the mirror INCORRECT This gives a virtual image not a real one. return to top
What's this question really asking?
Do you know how to use the formula. return to top |

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