1.Dark energy
2.Dark matter
3.Matter which we can see
2.Dark matter
3.Matter which we can see
Arrange them in decreasing order as fraction of universe is:
a)1 > 2 > 3
b)2 > 1 > 3
c) 2 > 3 > 1
d) 3 > 2 > 1
a)1 > 2 > 3
b)2 > 1 > 3
c) 2 > 3 > 1
d) 3 > 2 > 1
Ans-[A]
Explanation-Dark matter is invisible matter which is holding the galaxies together. In the accelerating and expanding universe, Dark energy is an unknown form of energy which is hypothesized to permeate all of space, tending to accelerate the expansion of the universe. 70% of the universe is dark energy, 25% dark matter and 5% is just what we can see.
No comments:
Post a Comment