Daily UPSC Prelims Current Affairs – February 16, 2023 [Mock Test]

1. Which of the following is/are the criteria for the eligibility of a language for classification as a “Classical Language” in India?
- Extraordinary antiquity of its early transcripts over a period of 1500-2000 years.
- The literary tradition should be original and unique.
- There should not be a discontinuity among the classical language and its later forms.
Select the correct answer using the codes given below:
2. With reference to the proclamation of National Emergency under Article 352 of the Indian Constitution, consider the following statements:
- The proclamation will survive for 6 months from the date when the emergency was proclaimed.
- The proclamation will survive for 6 months from the 1st sitting of Lok Sabha after its reconstitution.
- Rajya Sabha approval is necessary for the proclamation when Lok Sabha is dissolved.
Which of the above statements is/are correct?
3. Consider the following statements regarding Rayleigh and Raman Scattering:
- Rayleigh scattering is a form of inelastic scattering of light, while Raman scattering is a form of elastic scattering.
- Rayleigh scattering does not conserve the energy of incident particles, whereas Raman scattering conserves it.
- Both in Rayleigh and Raman scattering, scattered photons have the same energy as the incident photons.
Which of the statements given above is/are correct?