ESS
Grade-9
Easy
Question
Hubble’s law describe____________________.
- Theory of Big bang
- Universe is constantly shrinking
- Role of gravitational force in the formation of universe
- Universe is constantly expanding.
Hint:
It tells us that the universe is continuously increasing in size.
The correct answer is: Universe is constantly expanding.
- Hubble's law describe universe is constantly expanding.
- Hubble's law, also known as the Hubble–Lemaître law, is the observation in physical cosmology that galaxies are moving away from Earth at speeds proportional to their distance.
- So, the correct option is d.
Related Questions to study
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Big bang theory says ___________.
Big bang theory says ___________.
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After big bang the universe was__________.
After big bang the universe was__________.
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CBR is __________.
CBR is __________.
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_________ are two vital pieces of proof we have for the Big Bang.
ans. red-shift of light, cosmic background radiation and types of elements.
_________ are two vital pieces of proof we have for the Big Bang.
ans. red-shift of light, cosmic background radiation and types of elements.
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The scientific study of the universe is called _________.
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The wavelength of light becomes _________ in red shift.
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Which of the following scientist observed that galaxies are moving away from us?
Which of the following scientist observed that galaxies are moving away from us?
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_________ is used to study far away objects.
_________ is used to study far away objects.
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CBR is___________.
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_______ theory states that an explosion created the universe.
_______ theory states that an explosion created the universe.
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Select the correct option.
Select the correct option.
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Sunspots are produced by areas of strong magnetic fields that decrease the transport of energy to the surface by ________.
Sunspots are produced by areas of strong magnetic fields that decrease the transport of energy to the surface by ________.
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Match the following:
Match the following:
ESSGrade-9
