Stars and the Solar System Test

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Stars and the Solar System Test - 46

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Weekly Quiz Competition

Question 1
1 / -0

Which of the following theories is the most satisfactory about the origin of the universe?

A
Big bang theory

B
Pulsating theory

C
Steady state theory

D
None of these

Solution

Big bang theory is the most satisfactory theory about the origin of the universe.
The Big Bang Theory is the prevailing cosmological model explaining the existence of the observable universe from the earliest known periods through its subsequent large-scale evolution.
Question 2
1 / -0

Which one of the following is correct?
Great bear is a

A
Galaxy

B
Planet

C
Star

D
Constellation

Solution

Great bear is a constellation which is a group of some stars.
A constellation is a group of stars that forms a pattern and has a name
Question 3
1 / -0

Which of the following astronomer first proposed that the sun is static and the earth rounds the sun

A
Copernicus

B
Kepler

C
Galileo

D
None

Solution

Nicolaus Copernicus a Polish astronomer studied the sky from the top of a Cathedral. In 1543 he wrote his book 'The Revolution of Heavenly Orbits'. In it, he said the Earth revolves around the Sun once a year and it also rotates around its own axis.
Question 4
1 / -0

In our solar system, the inner-planetary region has chunks of matter ( much smaller in size compared to planets) called asteroids .They

A
will not move around the sun since they have very small masses compared to the sun

B
will move along an irregular path because of their small masses and will drift away into outer space

C
will move around the sun in closed orbits but not obey kepler's laws

D
will move in orbits like planets and obey Kepler's law

Solution

Asteroids will move in orbits like planets and obey Kepler's law because they are also being acted upon by central gravitational forces.
Question 5
1 / -0

Consider the following statements:
1. Only two planets Venus and Uranus revolve around the Sun from east to west i.e. clockwise.
2. While other planets revolve around the from west to east i.e. anti-clockwise.
Which of the above statements is/are correct?

A
$$1$$ only

B
$$2$$ only

C
Both $$1$$ and $$2$$

D
Neither $$1$$ nor $$2$$

Solution

Only two planets Venus and Uranus revolve around the Sun from east to west while other planets revolve around the Sun from West to East.
Question 6
1 / -0

The tail of a comet points

A
Towards the Sun

B
Away from the Sun

C
In arbitary

D
Away from the earth

Solution

The tail of the comet always points away from the sun no matter what direction the comet travels because the solar wind always blows out from the sun. Meteor showers sometimes occur when the Earth passes through the dust and particles left behind by a comet.
Question 7
1 / -0

The percentage of Sun's total energy which reaches the earth's surface is

A
$$10^{-7}\%$$

B
$$10^{-6}\%$$

C
$$10^{-3}\%$$

D
$$10^{-2}\%$$
Question 8
1 / -0

Smaller pieces of heavy stones and metals which on entering earth's atmosphere burns out are

A
Comets

B
Meteorites

C
Asteroids

D
All of these

Solution

Smaller pieces of heavy stones and metals which on entering earth's atmosphere burns out are Meteorites.
Question 9
1 / -0

Which one of the following planet has the longest day

A
Venus

B
Mars

C
Mercury

D
Earth

Solution

Venus has the longest day.
Question 10
1 / -0

Which one of the following is known as Saptarishi

A
Orion

B
Ursa major

C
Ursa minor

D
Scorpion

Solution

Ursa major is known as saptarishi.

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Re-Attempt Weekly Quiz Competition

Stars and the Solar System Test - 46

Result

Stars and the Solar System Test - 46

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Rank

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SHARING IS CARING

Question 1

Big bang theory

Pulsating theory

Steady state theory

None of these

Solution

Question 2

Galaxy

Planet

Star

Constellation

Solution

Question 3

Copernicus

Kepler

Galileo

None

Solution

Question 4

will not move around the sun since they have very small masses compared to the sun

will move along an irregular path because of their small masses and will drift away into outer space

will move around the sun in closed orbits but not obey kepler's laws

will move in orbits like planets and obey Kepler's law

Solution

Question 5

$$1$$ only

$$2$$ only

Both $$1$$ and $$2$$

Neither $$1$$ nor $$2$$

Solution

Question 6

Towards the Sun

Away from the Sun

In arbitary

Away from the earth

Solution

Question 7

$$10^{-7}\%$$

$$10^{-6}\%$$

$$10^{-3}\%$$

$$10^{-2}\%$$

Question 8

Comets

Meteorites

Asteroids

All of these

Solution

Question 9

Venus

Mars

Mercury

Earth

Solution

Question 10

Orion

Ursa major

Ursa minor

Scorpion

Solution

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