Match List-I with List-II
| List-I (Concepts) | List-II (Explanation) |
|---|---|
| (A) Netiquettes | (IV) Respect other's privacy |
| (B) Cyber crime | (I) Online frauds |
| (C) Online deliberation of issues in a democracy | (II) Cyber activism |
| (D) Social media | (III) Rapid circulation of information/opinion on local and global scale |
Choose the correct answer from the options given below:

A ladder of fixed length \( h \) is to be placed along the wall such that it is free to move along the height of the wall.
Based upon the above information, answer the following questions:
(iii) (b) If the foot of the ladder, whose length is 5 m, is being pulled towards the wall such that the rate of decrease of distance \( y \) is \( 2 \, \text{m/s} \), then at what rate is the height on the wall \( x \) increasing when the foot of the ladder is 3 m away from the wall?