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Which of the following gases is most predominant in the Sun?
Correct answer(s):
- Hydrogen
Select the correct statement with respect to the solar system?
- The Earth is the densest of all the planets in our solar system.
- The predominant element in the composition of Earth is silicon.
- The Sun contains 75 percent of the mass of the solar system.
- The diameter of the Sun is 190 times that of the Earth.
Correct answer(s):
- The Earth is the densest of all the planets in our solar system.
What are the differences between asteroids and comets?
- Asteroids are small rocky planetoids, while comets are formed of frozen gases held together by rocky and metallic material.
- Asteroids are found mostly between the orbits of Jupiter and Mars, while comets are found mostly between Venus and Mercury.
- Comets show a perceptible glowing tail, while asteroids do not.
- Both the first and third options are correct
Correct answer(s):
- Asteroids are small rocky planetoids, while comets are formed of frozen gases held together by rocky and metallic material.
- Asteroids are found mostly between the orbits of Jupiter and Mars, while comets are found mostly between Venus and Mercury.
Which of the following statements is/are correct with respect to Milky Way?
- It is a spiral galaxy
- The solar system resides in one of its spiral arms.
- Both the above options are incorrect
- Both the above options are correct
Select the correct answer from the following.
Correct answer(s):
- Both the above options are correct
While Venus is seen only for one to two hours either after sunset or before sunrise. Jupiter is seen for the whole night whenever it is visible in the sky. Because __
Correct answer(s):
- the orbit of Venus is inside the earth's orbit whereas the orbit of Jupiter lies outside the orbit of the earth
Foucault experiment is proof of which one of the following?
Correct answer(s):
- Rotation of the Earth
Which of the following is the best proof to say that comets are members of our solar system?
Correct answer(s):
- their composition
What is a Supernova?
Correct answer(s):
- a dying star
If there is no sun the color of the sky would be?
Correct answer(s):
- Black
Who discovered the laws of planetary orbits?
- Galileo Galilei
- Nicholas Copernicus
- Johannes Kepler
- None of them
Correct answer(s):
- Johannes Kepler
What do you mean by Sunspots?
- visible irregular dark patches on the photosphere of the sun resulting from a localised fall in the temperature to about 4000K
- desert areas on the sun
- dark patches on the surface of the sun which are cooler areas
- all of these
Correct answer(s):
- visible irregular dark patches on the photosphere of the sun resulting from a localised fall in the temperature to about 4000K
Which of the following is correct with respect to ‘Great Bear’?
Correct answer(s):
- Constellation
In which year did Galileo state that the Earth revolves around the Sun?
Correct answer(s):
- 1632
What do you mean by ‘Black Hole’ in our solar system?
- Contracted star with an intense gravitational pull
- Collapsing of low density
- Holes occurring in heavenly bodies
- None of these
Correct answer(s):
- Contracted star with an intense gravitational pull
The exact time taken by the earth for single rotation on its own axis is?
Correct answer(s):
- 23 hrs 56 minutes 4.09 sec
Who discovered that the Earth revolves around the Sun?
Correct answer(s):
- Galileo Galilei
What is the fifth largest planet in our solar system?
Correct answer(s):
- Earth
Who wrote ‘Tungkhugia Buranji’?
Correct answer(s):
- Srinath Barbarua
The Sinagiri Ghar celebration was first held by ____?
Correct answer(s):
- Gadapani
The ancient name of Cachar was ____?
Correct answer(s):
- Hidimba