Stars and the Solar System Test

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Stars and the Solar System Test - 48

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Weekly Quiz Competition

Question 1
1 / -0

A brief streak of light produced by the burning of a small particle entering Earth's atmosphere at a high speed is called a

A
Meteor

B
Comet

C
Asteroid

D
Satellite

Solution

A meteor is a streak of light in the sky caused by a meteoroid crashing through Earth’s atmosphere.

Meteoroids are lumps of rock or iron that orbit the sun. Most meteoroids are small fragments of rock created by asteroid collisions.

When a meteoroid enters the Earth’s upper atmosphere, since it is moving at a high speed ,it heats up due to friction from the air. The heat causes gases around the meteoroid to glow brightly, and a meteor appears.
Question 2
1 / -0

Why is just one side of the Moon visible from Earth?

A
The Moon does not rotate on its axis as it orbits earth.

B
The Moon rotates once in the same amount of time that it orbits

C
Half ofthe Moon is always unlit by the Sun

D
Half of the Moon does not reflect light

Solution

The Moon orbits Earth once every 27.3 days and spins on its axis once every 27.3 days. This means that although the Moon is rotating, it always keeps one face toward us. Known as “synchronous rotation,” this is why we only ever see the Moon's nearside from Earth.
Question 3
1 / -0

The inclination of orbit to ecliptic is maximum for planet _________ and minimum for planet _______.

A
Mercury and Earth

B
Mercury and Venus

C
Venus and Earth

D
Earth and Saturn

Solution

The inclination of the orbit to the ecliptic is maximum for planet mercury and minimum for the earth.
Orbital inclination measures the tilt of an object's orbit around a celestial body.
Question 4
1 / -0

Celestial bodies revolving round the sun that appear with a bright head and a long tail are known as

A
Comets

B
Asteroids

C
Meteors

D
Satellites

Solution

Comets are snowballs of frozen gases, rock, and dust that orbit the Sun. When frozen, they are the size of a small town.
A comet is a celestial body that appears as a bright head with a long tail. They revolve around the sun in highly elliptical orbits.
Question 5
1 / -0

Which of the following is a "Fire and Forget" anti tank missile?

A
Trishul

B
Agni

C
Akash

D
Nag

Solution

The Nag missile, also called "Proserpina" for the land-attack version, is an Indian third-generation, all-weather, fire-and-forget, lock-on after launch, an anti-tank guided missile with an operational range of 500 m to 20 km. It has a single-shot hit probability of 90% and a ten-year, maintenance-free shelf life.
Question 6
1 / -0

Stars rise and set in the sky because

A
Earth orbits the sun

B
Earth rotates

C
The north pole points towards Polaris

D
The stars are moving in space

Solution

The Sun, the Moon, the planets, and the stars all rise in the east and set in the west. And that's because Earth spins -- toward the east.
Earth rotates or spins toward the east, and that's why the Sun, Moon, planets, and stars all rise in the east and make their way westward across the sky.
Question 7
1 / -0

Rakesh Sharma was the first Indian astronaut to fly into space. He travelled aboard Soyuz T-11 craft to the Salyut 7 space station on ______

A
April 3, 1984

B
April 10, 1983

C
April 3, 1985

D
April 17, 1982

Solution
Question 8
1 / -0

Last seen in 1986, which comet appears after nearly every 76 years?

A
Halley's

B
Biela's

C
Encke

D
Kohoutek

Solution
Question 9
1 / -0

Consider the following statements about 'Moon'.
$$1$$. The far side of the Moon is known as North Pole Aitken Basin.
$$2$$. Due to the same speed of rotation about its own axis and the revolution around the Earth, only $$1$$ side of the moon is visible to us.
$$3$$. The duration of $$1$$ synodic month is $$29.5$$ days.
Which of the given statement(s) is/are correct?

A
$$2$$ only

B
$$1$$ and $$3$$

C
$$2$$ and $$3$$

D
$$1$$ and $$2$$

Solution
Question 10
1 / -0

Which of the following is correct about Indian Regional Navigation Satellite System (IRNSS)?
1. IRNSS system consists of 7 satellites.
2. Its coverage area is extended upto 1000 km from India.
3. Its position accuracies would be 10 mtrs above India.
Select the correct option/options given below:

A
1 and 2 only

B
1 and 3 only

C
2 and 3 only

D
All of the above

Solution

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Re-Attempt Weekly Quiz Competition

Stars and the Solar System Test - 48

Result

Stars and the Solar System Test - 48

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SHARING IS CARING

Question 1

Meteor

Comet

Asteroid

Satellite

Solution

Question 2

The Moon does not rotate on its axis as it orbits earth.

The Moon rotates once in the same amount of time that it orbits

Half ofthe Moon is always unlit by the Sun

Half of the Moon does not reflect light

Solution

Question 3

Mercury and Earth

Mercury and Venus

Venus and Earth

Earth and Saturn

Solution

Question 4

Comets

Asteroids

Meteors

Satellites

Solution

Question 5

Trishul

Agni

Akash

Nag

Solution

Question 6

Earth orbits the sun

Earth rotates

The north pole points towards Polaris

The stars are moving in space

Solution

Question 7

April 3, 1984

April 10, 1983

April 3, 1985

April 17, 1982

Solution

Question 8

Halley's

Biela's

Encke

Kohoutek

Solution

Question 9

$$2$$ only

$$1$$ and $$3$$

$$2$$ and $$3$$

$$1$$ and $$2$$

Solution

Question 10

1 and 2 only

1 and 3 only

2 and 3 only

All of the above

Solution

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Question Analysis

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