Which of the following represents an upside-down image?

A latter education question and answer requested students to assert what they presume is the most crucial important aspect for a student to do in order to gain success. The one which response stood out from the rest was practice. Successful persons were not born successful; they become successful from hard work and perseverance. If you want to reach your goals, keep this in mind! just below are one of the answer and question example that you would certainly work with to practice and expand your understanding and also give you insights that may help you to sustain your study in school.

Question:

Which of the following represents an upside-down image?O A. +doO B. -doO c. +mO D.-m​

Answer:

Answer:

D. -m

Explanation:

The magnification of an image is equal to the following ratio:

where

y’ is the size of the image

y is the size of the real object

We have two situations:

– When m is positive, it means that y’ has the same sign of y –> so the image has same orientation of the object (= image is upright)

– When m is negative, it means that y’ has opposite sign to y –> so the image has opposite orientation to the object (= image is upside down)

So, the correct answer that describes an upside-down image is

They could hopefully assist the student solve the question by applying the questions and answer examples. Then could certainly carry out some sharing in a group discussion and also learning with the classmate around the topic, so another student also attain some enlightenment and still keeps up the school learning.

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