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Dark Matter vs Anti-Matter vs Negative Matter Video Lecture - UPSC

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1. What is dark matter?

Ans. Dark matter refers to a hypothetical form of matter that does not interact with light or other forms of electromagnetic radiation. It is invisible and does not emit, absorb, or reflect light, making it difficult to detect directly. However, its existence is inferred through its gravitational effects on visible matter and the structure of the universe.

2. What is anti-matter?

Ans. Anti-matter is composed of antiparticles, which are counterparts to the particles that make up ordinary matter. Antiparticles have the same mass as their corresponding particles but possess opposite electrical charges. When matter and anti-matter come into contact, they annihilate each other, releasing energy in the process.

3. What is negative matter?

Ans. Negative matter is a hypothetical form of matter with negative mass. Unlike ordinary matter, which attracts other matter through gravity, negative matter would repel it. The concept of negative matter is largely theoretical and has not been observed or confirmed in experiments.

4. What is the difference between dark matter and anti-matter?

Ans. The main difference between dark matter and anti-matter lies in their properties and interactions. Dark matter is considered a form of matter that does not interact with light or other electromagnetic radiation, whereas anti-matter consists of antiparticles with opposite charges to regular particles. Dark matter is thought to play a role in the structure and formation of the universe, while anti-matter can annihilate ordinary matter upon contact.

5. How are dark matter, anti-matter, and negative matter related?

Ans. Dark matter, anti-matter, and negative matter are all theoretical concepts that have been proposed to explain various phenomena in physics. While dark matter and anti-matter have some differences in terms of their properties and interactions, negative matter is a separate concept that involves matter with negative mass. The existence and properties of all three types of matter are still being studied and researched in the field of physics.

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Nov 26, 2024 Last updated

Dark Matter vs Anti-Matter vs Negative Matter for UPSC2024 is part of UPSC preparation. The notes and questions for Dark Matter vs Anti-Matter vs Negative Matter have been prepared according to the UPSC exam syllabus. Information about Dark Matter vs Anti-Matter vs Negative Matter covers all important topics for UPSC2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for Dark Matter vs Anti-Matter vs Negative Matter.

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