Asked: U.P.P.C.S (Pre) 2019medium Level
QUESTION STATEMENT:द्विभाषी / Bilingual
श्याम-विवर होता है -
A black hole is -
SELECT CORRECT OPTION:
A
हवाई जहाज की उड़ान का अभिलेखक
Flight recorder of an airplane
B
सूर्य पर एक धब्बा
A spot on the Sun
C
अंटार्कटिका की एक जगह
A place in Antarctica
D
सिमट गया तारा
A collapsed star
Correct
Official Solution & Explanation:
Correct Answer: Option D(सिमट गया तारा)
श्याम-विवर (Black Hole) अत्यधिक द्रव्यमान वाले विशालकाय तारे के गुरुत्वीय पतन (Gravitational Collapse) के फलस्वरूप सिमट कर बना अत्यधिक सघन पिंड होता है।
A black hole is a collapsed star formed when a massive star runs out of nuclear fuel and collapses under its own immense gravitational pull.
Subject: General Science•Topic: Miscellaneous (Physics)•Subtopic: Miscellaneous (Physics)
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