Millionaire Mode

Nuclear Physics and Radiation - Class X

Question 1 of 15

Which of the following does not affect the rate of thermionic emission?

  1. Nature of the metal
  2. Temperature of surface of the metal
  3. Shape of the metal
  4. Both temperature and shape of the metal
  5. Both temperature and surface area of the metal

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