
Grade 9General Physics
The dimensions of a/b in the equation P =a-t square /bx where P is pressure ,x is distance and t is time are
The dimensions of a/b in the equation P =a-t square /bx where P is pressure ,x is distance and t is time are

In viewing through a magnifying glass, one usually positions one's eyes very close to the lens. Does angular magnification change if the eye is moved back?
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