The given figure shows two iron nails X and Y hanging from a magnet. Which of the following statements are correct?
I. Top of nail Y is north pole and bottom of nail Y is south pole.
II. Top of nail X is north pole and bottom of nail X is south pole.
III. Magnetic properties are induced into both the nails X and Y.
IV. Magnetic properties are induced into the nail X only.
AI and II only
BII and III only
CI, II and III only
DI, III and IV only
where is the figure???is sof madi think it isor it does not know english
Misha placed the same metal bar at different positions, X, Y and Z one by one, as shown
here. Which of the following options shows the most appropriate length of metal bar shadow when placed at positions Y and Z, respectively if length of metal bar shadow is 20 cm when metal bar is placed at position X ?
Refer to the given figure of aquatic plants and select the correct statement.
(i) In Y stomata are present only on the lower surface of the leaves.
(ii) Wolffia and Pistia are other examples of X type of plant.
(iii) The leaves of Z plant do not have stomata.
(iv) Roots of X plant fix them to the bottom of the pond.
A(i) and (iv) only
B(ii) and (iii) only
C(i) and (iii) only
D(i), (ii) and (iii) only