When an object is placed between the principal focus and ...
When an object is placed between the principal focus and the optical center of a convex lens, it could be used as a?
Simple microscope
refecting lens
compound microscope
projector
Correct answer is A
No explanation has been provided for this answer.
The duality of matter implies that matter ...
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Which of the following figures gives the correct resultant R of two vectors P and Q? ...
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The differences observed in solids, liquids and gases may be accounted for by ...
Which of the following statements about defects of vision is/are CORRECT? I. For a long ...