(i)\(\frac{-8}{6}\)
= \(\frac{-4\times2}{3\times 2}\)
= \(-\frac{4}{3}\)
(ii)\(\frac{25}{45}\)
= \(\frac{5\times5}{0\times5}\)
= \(\frac{5}{9}\)
(iii)-\(\frac{-44}{72}\)
\(\frac{-11\times 4}{18\times 4}\)
\(\frac{-11}{18}\)
(iv)\(\frac{-8}{10}\)
= -\(\frac{-4\times 2}{5\times2}\)
=\(\frac{-4}{5}\)
Match the items given in Column I with one or more items of Column II.
Column I | Column II |
(a) A plane mirror | (i) Used as a magnifying glass. |
(b) A convex mirror | (ii) Can form image of objects spread over a large area. |
(c) A convex lens | (iii) Used by dentists to see enlarged image of teeth. |
(d) A concave mirror | (iv) The image is always inverted and magnified. |
(e) A concave lens | (v) The image is erect and of the same size as the object. |
- | (vi) The image is erect and smaller in size than the object. |