Millionaire Mode

Increasing and reducing friction - class-VIII

Question 1 of 22

The surface of the head of a match stick and sides of a match box are deliberately made rough to:

  1. increase friction
  2. decrease friction
  3. increase amount of heat
  4. decrease amount of heat

Prize Money

15₹7 Crores
14₹1 Crore
13₹50,00,000
12₹25,00,000
11₹12,50,000
10₹6,40,000
9₹3,20,000
8₹1,60,000
7₹80,000
6₹40,000
5₹20,000
4₹10,000
3₹5,000
2₹2,000
1₹1,000