Testing 30 Questions - 01

1. தவறான எண்ணை கண்டுபிடி 22, 33, 66, 99, 121, 279, 594  
   1. 33
   2. 121
   3. 279  
   4. 594

Testing 20 questions

1. A light ray is incident on a transparent material X which is in contact with another transparent material Y. The reason for the ray to fail in emerging out through Y is
   1. X is rarer medium
   2. X is denser medium
   3. Y is denser medium  
   4. Y is rarer medium

Testing 10 questions

1. A light ray is incident on a transparent material X which is in contact with another transparent material Y. The reason for the ray to fail in emerging out through Y is
   1. X is rarer medium
   2. X is denser medium
   3. Y is denser medium  
   4. Y is rarer medium