Stars and the Solar System Test

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Stars and the Solar System Test - 40

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Weekly Quiz Competition

Question 1
1 / -0

During a New moon phase, what is the configuration of Moon, Earth, and Sun?

A
Moon is between Earth and Sun.

B
Sun is between Moon and Earth.

C
Earth is between Moon and Earth.

D
They are not in a straight line.

Solution

New moon refers to the phase when we are not able to see the moon, as moon does not have its own source of light this could happen when sun illuminates the surface of the moon which we do not see that happen. When Sun, Earth and Moon are in line and Moon is between Earth and Sun.
Question 2
1 / -0

What is the orbital period of halley's comet?

A
$$66$$ years

B
$$76$$ years

C
$$86$$ years

D
$$96$$ years

Solution

Halley's Comet is arguably the most famous comet. It is a "periodic" comet and returns to Earth's vicinity about every 76 years,
So Orbital period of Halley's comet is $$76$$ years.
Question 3
1 / -0

_______ is earth’s nearest planetary neighbour.

A
Mercury

B
Venus

C
Mars

D
Jupiter

Solution

Venus is earth’s nearest planetary neighbour. It is the brightest planet in the night sky.
Question 4
1 / -0

The Solar System was discovered by

A
Gallileo

B
Copernicus

C
Finsen

D
None of these

Solution
Question 5
1 / -0

Which of the following is correct about India's Missile Technology?
1. Astra is an Anti-Tank Missile.
2. Nag is an Air-to-Air Missile.
Select the correct option/options given below:

A
1 only

B
2 only

C
Both

D
None

Solution
Question 6
1 / -0

Venus looks brighter than other planets, because

A
It is heavier than other planets

B
It has very high density

C
It has no atmosphere

D
It is closest to the earth

Solution

Venus is so bright because its thick clouds reflect most of the sunlight that reaches it back into space, and because it is the closest planet to Earth. Venus can often be seen within a few hours after sunset or before sunrise as the brightest object in the sky
Question 7
1 / -0

The first Indian satellite was launched into space in 1975. What was it called?

A
Aryabhatta

B
Rohini

C
Insat-1A

D
IRS-1A

Solution
Question 8
1 / -0

Scientists from the University of Cambridge UK have discovered the smallest star in the universe. It has been named as

A
Sirius B

B
EBLMJO555-57Ab

C
XTEJ165O-500b

D
OGLE-TR-122b

Solution

In 2017, an international team of astronomers announced the discovery of a so-called red dwarf star that's so small it barely functions as a star. Code-named EBLM J0555-57Ab and lying some 600 light-years away, it's similar in size to the planet Saturn.
Question 9
1 / -0

Which two planets are gas giants?

A
Venus and Mercury

B
Saturn and Mars

C
Saturn and Jupiter

D
Jupiter and Mars

Solution
Question 10
1 / -0

Which of the following is NOT among the India's earlier Satellites?
1.Aryabhatta
2.Bhaskara
3.APPLE
4. Rohini
Select among option/options given below:

A
2 only

B
3 only

C
4 only

D
None of the above

Solution