Stars and the Solar System Test

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Stars and the Solar System Test - 43

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Weekly Quiz Competition

Question 1
1 / -0

Which of the following statement is incorrect?

A
Planet jupiter shows phases like Moon

B
The axis of rotation of Earth is slightly tilted with respect to the plane of its orbit around the Sun

C
Diameter of Jupiter is about 11 times the diameter of the Earth

D
Planet Uranus is made up mainly helium and nitrogen gases

Solution

Jovian planets do not show phases, as from Earth's perspective they do not cast a shadow. Planets with orbital distance from sun, greater than that of Earth's orbital distance do not show phases from earth.
Question 2
1 / -0

Which of the following statements best describes one way that the Moon is different from Earth?

A
The Moon is not solid.

B
The Moon has no gravity.

C
The Moon has almost no atmosphere

D
The Moon receives almost no solar light.

Solution

The gravitational force on the moon is $$\dfrac{1}{6} th$$ of the gravitational force on the earth. Because of this less gravitational force, the moon can not hold the atmosphere around it. So there is no atmosphere around the moon.
Question 3
1 / -0

Which of the following was the first Indian satellite

A
INSAT-1B

B
INSAT-1A

C
Rohini

D
Aryabhatta

Solution

The Aryabhata spacecraft, named after the famous Indian astronomer, was India's first satellite; it was completely designed and fabricated in India and launched by a Soviet Kosmos-3M rocket from Kapustin Yar on April 19, 1975.
Question 4
1 / -0

A waxing crescent moon

A
is a phase where the crescent increases from one day to another

B
is a phase where the crescent decreases from one day to another

C
is a phase where in the next day to the crescent is a new moon day

D
is a phase where in the next day to the crescent is a full moon day

Solution

A waxing crescent moon is when the Moon looks like crescent and the crescent increases ("waxes") in size from one day to the next. This phase is usually only seen in the west.
Question 5
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'X' is a group of stars visible during the winter season in the late evening. It resembles a hunter in the kneeling position. What is 'X'?

A
Ursa Major

B
Orion

C
Cassiopeia

D
Aquarius

Solution

Orion is another well-known constellation that can be seen during winter in the late evenings. It is one of the most magnificent constellations in the sky. It also has seven or eight bright stars. Orion is also called the Hunter.
Question 6
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Which of the following is a proof of the Earth's revolution around the Sun?

A
Rising and setting of the Sun

B
The Foucault pendulum experiment

C
Parallax of stars

D
Seasons

Solution

Earth revolves in an elliptical orbit and not circular, so when the earth moves far from the sun we see winters and when it moves close to the sun we see summer and this happens every year. This confirms that the earth revolves around the sun.
Question 7
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Asteroids orbit around the sun in belt_____________.

A
beyond Uranus

B
between Jupiter and Saturn

C
between Jupiter and mars

D
between Earth and Mars

Solution

There is a large gap in between the orbits of Mars and Jupiter . This gap is occupied by a large number of asteroids that revolve around the Sun. This constitutes the asteroid belt.
Asteroids are small, rocky objects that orbit the Sun. Although asteroids orbit the Sun like planets, they are much smaller than planets. There are lots of asteroids in our solar system.
Question 8
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What are the rocks which failed to form the planets called?

A
Satellites

B
Asteroids

C
Comets

D
Pulsars

Solution

Asteroids are small, rocky objects that orbit the Sun. Although asteroids orbit the Sun-like planets, they are much smaller than planets. There are lots of asteroids in our solar system. Most of them are located in the main asteroid belt – a region between the orbits of Mars and Jupiter.
Question 9
1 / -0

The object which comes from outer space burns when enters into the earth's atmosphere is called ________.

A
Meteorite

B
cornet

C
meteor

D
asteroids

Solution

Meteorites are celestial objects that come from outer space and burn when enter into the earth's atmosphere due to the friction with it.
Question 10
1 / -0

Why tail of comets is formed, when it comes closer to sun ?

A
Ice present in the comets gets vaporised

B
When it comes closer to sun, vapour converts into ice

C
Dust particle in the comets gets heated

D
Both option A and C

Solution

The tail of comets is formed when comets come closer to the sun because the sun's heat vaporises some of the comets' material, releasing dust particles that were trapped in the ice.
The correct options are both A and C. Option D is the answer.

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Re-Attempt Weekly Quiz Competition

Stars and the Solar System Test - 43

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Stars and the Solar System Test - 43

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SHARING IS CARING

Question 1

Planet jupiter shows phases like Moon

The axis of rotation of Earth is slightly tilted with respect to the plane of its orbit around the Sun

Diameter of Jupiter is about 11 times the diameter of the Earth

Planet Uranus is made up mainly helium and nitrogen gases

Solution

Question 2

The Moon is not solid.

The Moon has no gravity.

The Moon has almost no atmosphere

The Moon receives almost no solar light.

Solution

Question 3

INSAT-1B

INSAT-1A

Rohini

Aryabhatta

Solution

Question 4

is a phase where the crescent increases from one day to another

is a phase where the crescent decreases from one day to another

is a phase where in the next day to the crescent is a new moon day

is a phase where in the next day to the crescent is a full moon day

Solution

Question 5

Ursa Major

Orion

Cassiopeia

Aquarius

Solution

Question 6

Rising and setting of the Sun

The Foucault pendulum experiment

Parallax of stars

Seasons

Solution

Question 7

beyond Uranus

between Jupiter and Saturn

between Jupiter and mars

between Earth and Mars

Solution

Question 8

Satellites

Asteroids

Comets

Pulsars

Solution

Question 9

Meteorite

cornet

meteor

asteroids

Solution

Question 10

Ice present in the comets gets vaporised

When it comes closer to sun, vapour converts into ice

Dust particle in the comets gets heated

Both option A and C

Solution

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