In physics, which discovery was awarded the Nobel Prize in 2009?

This question was previously asked in
TNPSC Group 1 Services Prelims 2010 Official Paper
View all TNPSC Group 1 Papers >
  1. 1) Optical fiber communication and charge coupled device
  2. 2)Neutrino and its discovery mechanism
  3. 3) Digital Emailing
  4. 4) Basic structure of ribosome

Answer (Detailed Solution Below)

Option 1 : 1) Optical fiber communication and charge coupled device
Free
TNPSC Group 1: Mock Test (History, Polity & Mental Ability)
50 Qs. 75 Marks 50 Mins

Detailed Solution

Download Solution PDF

Correct Answer Optical fiber communication and charge coupled device

Key Points

  • The 2009 Nobel Prize in Physics was awarded for two separate discoveries. One half was given to Charles K. Kao "for groundbreaking achievements concerning the transmission of light in fibers for optical communication

Latest TNPSC Group 1 Updates

Last updated on Jun 30, 2025

-> TNPSC Group 1 Result and Final Answer Key 2025 will be released soon by the commission.

-> TNPSC Group 1 Answer Key 2025 has been released at tnpsc.gov.in.

-> TNPSC Group 1 Admit Card 2025 has been released at tnpsc.gov.in.

-> TNPSC Group 1 Notification 2025 has been released for 72 vacancies on its official website on 1 April 2025.

-> TNPSC Group 1 apply online for 2025 from 1 April to 30 April 2025. And candidates can download their hall ticket in the 1st week of June 2025.

-> TNPSC Group 1 Prelims exam date has been announced. The exam is going to be conducted on 15 June 2025. 

->  The Selection of the candidates is based on their performance in the prelims, mains, and interviews. 

-> The candidates must buckle up and give their preparation a boost by practicing TNPSC Group 1 Previous Year Papers.

Hot Links: teen patti joy 51 bonus teen patti app teen patti real teen patti master gold download