Q. With reference to Dark matter, consider the following statements;
1.Dark matter is made up of particles that have a positive charge in them.
2.The visible part of the universe is much less compared to the presence of dark matter and dark energy.
Which of the statements given above is/are correct?
Answer: B
Notes:
Statement 1 is incorrect: Dark matter is made up of particles that do not have a charge — which means they do not interact through electromagnetic interactions.
Statement 2 is correct: Many physicists strongly believe that the entire visible part of the universe forms only 5% of all matter in it. They believe the rest is made up of dark matter and dark energy.
Source: The Hindu
