NextMockપરીક્ષાઓ શોધો, દા.ત. SSC CGL, UPPSC, Lekhpal
State PCS PYQPrelims 2019

UPPCS · પ્રશ્ન 138

Black-hole is

  1. a flight recorder in aeroplane
  2. a spot on the sun
  3. a place in Antarctica
  4. a collapsed star
જવાબ બતાવો અને સમજૂતી

જવાબ: (D) a collapsed star

સમજૂતી

A black hole forms when a massive star collapses under its own gravity into a region so dense that not even light can escape.