Q44. 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.
The correct answer is Option 1.
- The standard model of particle physics is a mathematical model that describes electromagnetism, nuclear forces (both strong and weak), and the Higgs mechanism.
- String theory is used to understand quantum phenomena in the context of quantum physics. Hence, Option 1 is correct.
- The basic structure of a black hole consists of a singularity hidden by an event horizon.
- Within the event horizon, the escape velocity exceeds the velocity of light, and an object is trapped indefinitely.
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