CBSE Questions for Class 8 Physics Stars And The Solar System Quiz 14 - MCQExams.com

A brief streak of light produced by the burning of a small particle entering Earth's atmosphere at a high speed is called a 
  • Meteor
  • Comet
  • Asteroid
  • Satellite
Why is just one side of the Moon visible from Earth?
  • 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
The inclination of orbit to ecliptic is maximum for planet _________ and minimum for planet _______.
  • Mercury and Earth
  • Mercury and Venus
  • Venus and Earth
  • Earth and Saturn
What is the 67P/Churyumov-Gerasimenko ?
  • Exo-Planet
  • Oot Cloud Body
  • Comet
  • Asteroid
Stars rise and set in the sky because
  • Earth orbits the sun
  • Earth rotates
  • The north pole points towards Polaris
  • The stars are moving in space
Which of the following is a "Fire and Forget" anti tank missile?
  • Trishul
  • Agni
  • Akash
  • Nag
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 ______
  • April 3, 1984
  • April 10, 1983
  • April 3, 1985
  • April 17, 1982
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?
  • $$2$$ only
  • $$1$$ and $$3$$
  • $$2$$ and $$3$$
  • $$1$$ and $$2$$
Which of the following is correct about Indian Regional Navigation Satellite System (IRNSS)?
IRNSS system consists of 7 satellites.
Its coverage area is extended upto 1000 km from India.
Its position accuracies would be 10 mtrs above India.
Select the correct option/options given below:
  • 1 and 2 only
  • 1 and 3 only
  • 2 and 3 only
  • All of the above
Consider the following statements regarding asteroids:
Asteroids are rocky debris of varying size orbiting the Sun.
Most of the asteroids are small but some have diameter as large as 1000 km.
The orbit of asteroids lies between the orbits of Jupiter and Saturn 
of these statements 
  • 1 and 2 are correct
  • 2 and 3 are correct
  • 1, 2 and 3 are correct
  • 1 and 3 are correct
To a person on the moon, the sky appears
  • Blue
  • Black
  • White
  • Orange
In an artificial satellite, the use of a pendulum watch is discarded, because :
  • The satellite is in constant state of motion.
  • The effective value of g become zero in the artificial satellite.
  • The periodic time of pendulum watch is reduced.
  • None of these
The group of small pieces of rock revolving round the sun between the orbits of Mars and Jupiter are called  
  • Meteorites
  • Comets
  • Meteors
  • Asteroids
What is known as the transit of planet Venus?
  • When Venus is observed at the time of solar eclipse
  • When the Venus comes in between the sun and the earth
  • When one sees Venus while one is in transit
  • When Venus is occulted by another planet.
Which of the following is the brightest heavenly body in the evening/night sky
  • Mars
  • Satum
  • Jupiter
  • Venus
The group of small pieces of rocks revolving around the sun between the orbits of Mars and Jupiter are called:
  • Meteors
  • Comets
  • Meteorites
  • Asteroids
How much of the total surface area of the Moon is never visible from the Earth?
  • 41 per cent
  • 47 per cent
  • 53 per cent
  • 59 per cent
The tail of a comet is directed away from the sun because 
  • The comet rotates around the sun the lighter mass of the comet is pushed away due to the centrifugal force alone.
  • The comet rotates, the lighter mass of the comet is attracted by some star situated in the direction of its tail.
  • The radiation emitted by the sun exerts a radial pressure on the comet throwing its tail away from the Sun.
  • The tail of the comet always exists in the same orientation.
Consider the following statements regarding asteroids:
Asteroids are rocky debris of varying sizes orbiting the Sun.
Most of the asteroids are small but some have diameter as large 1000 km.
The orbit of asteroids lies between orbits of Jupiter and Saturn.
Which of the statements given above are correct?
  • 1 and 2 only
  • 2 and 3 only
  • 1 and 3 only
  • 1, 2 and 3
Which one of the following conditions is most relevant for the presence of life on mars?
  • Atmospheric composition
  • Thermal conditions
  • Occurrence of ice cap and frozen water
  • Occurrence of ozone
What is the unit of measurement of distance between celestial bodies?
  • Nautical mile
  • Statute mile
  • Light year
  • Kilometre
How much is the mass of Moon when compared with that of the Earth?
  • 1/49
  • 1/81
  • 1/51
  • 1/8
Consider the following statements regarding asteroids and comets?
Asteroids are small rocky planetoids,while comets are formed of frozen gases held together by rocky and metallic material.
Asteroids are found mostly between the orbits of Jupiter and Mars, while comets are found mostly between Venus and Mercury.
Comets show a perceptible glowing tail, while asteroids do not.
Which of the statement(s) given above is/are correct?
  • 1 Only
  • 1 and 2 Only
  • 1 and 3 only
  • 1, 2 and 3
The Blue Moon phenomenon occurs
  • when two full moons occur in the same month
  • when two full moons occur in the same month thrice in a calendar year
  • when four full moons appear in two consecutive months of the same calendar year
  • None of the above
Which one of the following is the correct sequence of the given planets in increasing order of their size (diameter)?
  • Mars - Venus - Earth - Mercury - Uranus
  • Mercury - Mars - Venus - Earth - Uranus
  • Mercury - Mars - Venus - Uranus - Earth
  • Venus - Mercury - Mars - Earth - Uranus
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