What is the purpose of ‘evolved Laser Interferometer Space Antenna’ (eLISA) project?

(a) To detect neutrinos

(b) To detect gravitational waves

(c) To detect the effectiveness of missile defence system

(d) To study the effect of solar flares on our communication systems


Answer: (b)        

Explanation:

  • The European Space Agency is leading the evolved Laser Interferometer Space Antenna (eLISA) mission, aimed at detecting and precisely measuring gravitational waves, making statement 2 correct.
  • LISA will be the first space-based detector dedicated to gravitational waves, which are produced by supermassive black holes in the centres of galaxies.
  • Additionally, eLISA will measure signals emitted by thousands of compact binary star systems in the Milky Way.

Consider the following statements:                                                                   The Parliament of India can place a particular law in the Ninth Schedule of the Constitution of India. The validity of a law placed in the Ninth Schedule cannot be examined by any court and no judgement can be made on it. Which of the statements given above is/are correct?

Consider the following statements:                                               

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Consider the following statements:                                                         The Parliament of India can place a particular law in the Ninth Schedule of the Constitution of India. The validity of a law placed in the Ninth Schedule cannot be examined by any court and no judgement can be made on it. Which of the statements given above is/are correct?

Consider the following statements:                                               

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