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PH2031 3

PHYSICS - Describing the image - Waves- General

QuestionAnswer
What is the "nature" of the image Is the image real or virtual
What type of lines do you use when drawing a "real" image Continous lines
What type of line do you use when drawing a "virtual" image Broken lines
Where is the "postion" of the image. In relation to the mirror
What is the "Orientation" Is the image upright or upside down (inverted)
What is the "size" of the image Is the image magnified or diminished in relation to the object.
What is the 'magnificiation" of the image. How big is the image compared to the object.
Is there a unit for the "magnification" of the object No
Why is there no unit for the "magnification" Because it is a ratio
Are negative values are ignored when calculating magnification Yes
If the image is virtual the image distance is negative
Created by: Paul Brown