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SSC CHSL 2023 PYQ — Question 124

SSC CHSL Tier II - 26 Jun 2023 - Shift 1 • Computer • Q124

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In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

Astronomers have discovered 62 new moons orbiting the ringed planet Saturn. Though some of the moons had been (1)________ as early as 2019, it takes more than sighting an object close to a planet to (2) ________ it is a moon and not an asteroid making a brief close passage to that planet.

Performing a painstaking (3) ________ of matching objects detected on different nights over the course of 24 months, the team tracked 63 objects that they ended up confirming as moons. One of (4) ________ satellites was revealed back in 2021, with the remaining 62 moons gradually announced over the past few weeks.

What is the diameter of a Blu-ray Disc?

Show answer & explanation

Correct answer: D

Explanation

The correct answer is option 4 i.e. 120 mm

  • A standard Blu-ray Disc has a diameter of 120 millimeters (mm), which is the same as a standard DVD and CD.
  • Blu-ray Discs are optical storage media used for high-definition video, data storage, and other digital content.
  • They are designed to hold significantly more data than DVDs and CDs, making them suitable for high-definition video and other data-intensive applications.