Free tnpsc model questions Online Test - MeritNotes

No. of Questions :10
Remaining Time :
1. Cathode rays ____
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 

2. Gases do not conduct electricity because ____
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 

3. Among the following radiations, which has the highest energy?
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 

4. The potential required for conduction of electricity through a gas under low pressure is ____
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 

5. E = MC2, ‘c’ denotes
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 

6. In an X-ray tube, the intensity of the emitted X-ray beam is increased by ____
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 

7. ____ is the device used in discharge tube to maintain a high potential difference.
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 

8. X-ray is ____
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 

9. The first excitation potential energy or the minimum energy required to excite the atom from ground state of hydrogen atom is ___
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 

10. The electrolyte in a car battery is
 
  • (a) 
  • (b) 
  • (c) 
  • (d)