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'Event Horizon’, ‘Singularity’, `String Theory’ and ‘Standard Model’

The terms ‘Event Horizon’, ‘Singularity’, `String Theory’ and ‘Standard Model’ are sometimes seen in the news in the context of

(a) Observation and understanding of the Universe

(b) Study of the solar and the lunar eclipses

(c) Placing satellites in the orbit of the Earth

(d) Origin and evolution of living organisms on the Earth


Solution: (a) Observation and understanding of the Universe


All these terms come from theoretical physics branch, which investigates into state of matter and composition, origin, and extent of universe. 

Singularity and event horizons are related to Black Holes.

Standard model of physics tries to explain universal phenomena.

String theory is used in the context of quantum physics that is used to understand quantum phenomena.

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