You are browsing the best resource for TNPSC Group 1 Exam.

for the Aspirants who are preparing for Group 2,2A, Group 4,VAO kindly refer your Syllabus and Prepare with our site.


Spectroscopy


19. 

Laser is a

Answer : C. coherent waves

Justify your answer :  
Name:  
Email ID:  
 

20. 

Arrange the discending order of wave length (long to short)
I. Infra-red
II. Ultra violent
III. Gamma rays
IV. Micro waves

Answer : A. IV,I,II,III

Justify your answer :  
Name:  
Email ID:  
 

21. 

why does diamond shine at night?

Answer : D. It has tetrahedral molecular structure

Justify your answer :  
Name:  
Email ID:  
 

22. 

X-rays travel with the velocity of

Answer : A. light

Justify your answer :  
Name:  
Email ID:  
 

23. 

Waves produced on the surface of water is

Answer : B. transverse

Justify your answer :  
Name:  
Email ID:  
 

24. 

The electromagnetic spectrum spans over __________ of magnitude of photon energy

Answer : A. 15 orders

Justify your answer :  
Name:  
Email ID:  
 


TOP