S.No. | Pair of terms | Like/Unlike terms |
---|---|---|
(i) | 1,100 | Like terms |
(ii) | -7x,\(\frac{5}{2}\)x | Like terms |
(iii) | -29x,-29y | Unlike terms |
(iv) | 14xy,42yx | Like terms |
(v) | 4m2p,4mp2 | Unlike terms |
(vi) | 12xz,12x2z2 | Unlike terms |
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. |