Tag: evs - i

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Questions Related to evs - i

Multiple choice evs - i our earth and our solar system asteroids, comets, and meteors and meteorites other objects in solar system asteroids, comets and meteors

Identify the true statement(s) for comets:

  1. Those are messengers of disaster

  2. Many comets appear after a fixed time interval

  3. Occurrance of comets is a natural phenomenon

  4. The tail of the comet is always directed towards the sun
Reveal answer Fill a bubble to check yourself
B,C Correct answer
Explanation

Occurance of comets is a natural phenomenon and there is nothing superstitious about it. Many comets appear after fixed time interval for example, Halley"s comet which appears once in every 76 years.

Multiple choice evs - i our earth and our solar system asteroids, comets, and meteors and meteorites other objects in solar system asteroids, comets and meteors
The bright streaks of light seen occasionally in the sky are ________.

  1. planets

  2. satellites

  3. meteors

  4. constellations
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Meteors are small objects that sometimes enter the Earth"s atmosphere. However, due to the high speed of the meteor friction is created between its surface and Earth"s atmosphere causing it to heat up. Thus it glows and evaporates quickly and appears for a very short period of time as a bright streak of light.

Multiple choice evs - i our earth and our solar system asteroids, comets, and meteors and meteorites other objects in solar system asteroids, comets and meteors

Comets revolve around the Sun:

  1. in a highly elliptical orbit

  2. along a circular orbit

  3. in an elliptical orbit

  4. varying orbit depending on the comet
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Comets revolve around the Sun in a highly elliptical orbit such that at one end of the orbit it is very far from the Sun and at the other end it is near to the Sun.

Multiple choice evs - i our earth and our solar system asteroids, comets, and meteors and meteorites other objects in solar system asteroids, comets and meteors

Meteorites are useful because:

  1. those can be stored in the museum

  2. those help the scientists in studying the material from which the solar system was formed

  3. those cause destruction

  4. those are only rocks
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Meteorites are useful mainly because they help the scientists in studying the material from which the solar system was formed.

Multiple choice evs - i our earth and our solar system asteroids, comets, and meteors and meteorites other objects in solar system asteroids, comets and meteors

Identify the wrong statements for asteroids:

  1. Revolve around the Sun

  2. Separate inner and outer planets

  3. Can only be seen through any telescopes

  4. Asteroids are rock-like structures
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Asteroids are rock-like structures that occupy the huge gap between the orbits of Mars and Jupiter. 

Those, too, revolve around the Sun in a similar orbit. 
Those form a belt like structure known as asteroid belt and the planets before the asteroid belt i.e., Mercury, Venus, Earth and Mars, are called inner planets. The planets that lie beyond the asteroids i.e., Jupiter, Saturn, Uranus and Neptune are called outer planets. 
Since the asteroids are smaller is size, those can only be seen through large and powerful telescopes, not through any telescope.

Multiple choice evs - i our earth and our solar system asteroids, comets, and meteors and meteorites other objects in solar system asteroids, comets and meteors

All meteors reach the surface of the Earth. This statement is

  1. True

  2. False
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Meteors that are small in size evaporate before they can reach the surface of Earth due to the heat generated because of friction between the meteor's surface and Earth's atmosphere. Only the bigger ones reach the surface of the Earth.

Multiple choice evs - i our earth and our solar system asteroids, comets, and meteors and meteorites other objects in solar system asteroids, comets and meteors

Shooting stars are actually not meteors.

  1. True

  2. False
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Despite its name, shooting stars are not actually stars. Shooting star is either a piece of a small rock or dust from space that heats up when is enters the Earth's atmosphere. Shooting stars are basically meteors.