Question

The ______ states that hot water freezes faster that cold water.
1. Heliocentric model
2. Mpemba effect
3. Big Bang theory
4. Oxygen theory

Answer 1

Correct Answer - Option 2 : Mpemba effect

The correct answer is Mpemba effect.

• The phenomenon that hot water may freeze faster than cold is often called the Mpemba effect.
• The heliocentric model is basically called sun centric model.
  • Nicolas Copernicus was the first scientist who gives sun centric model.
  • He gave his view in a book “on the revolutions of heavenly spheres” in the year 1543.
• Big Bang Theory is a hypothesis that explains how our universe originated from a small singularity.
  • This theory gives an explanation of how our universe might have started in the first place.
  • As per this theory, the universe that we know today started with a small singularity and then inflated over the next 13.8 billion years (present times).
  • Edwin Hubble was an American Astronomer. His work involved extragalactic astronomy. 
  • The Hubble telescope, the first major optical telescope to be placed in space, is named after him.