World geography Quiz 6 September 22, 2018 September 22, 2018 Please enter your email: 1. The time required by moonlight to reach the earth is : 2.3 sec 1.3 sec 1 sec 2 sec 2. Comets are celestial bodies moving about the solar system in hyperbolic orbit without projecting any tail or head elliptical orbits usually accompanied by a long shining tail elliptical or hyperbolic orbits, usually accompanied by a shining tail hyperbolic orbit always accompanied by a shining head 3. The ‘Solar Corona’ mainly consists of: cosmic rays ice molten lava gases 4. The Saturn rings were discovered by: Copernicus none of these Newton Galileo 5. While Venus is seen only for one to two hours either after sunset or before sunrise, Jupiter is seen for the whole night whenever it is visible in the sky. The reason for this is that: [CDS 2000] Venus reflects lesser amount of sunlight than Jupiter Venus is much closer to the earth than Jupiter Venus is much smaller than Jupiter the orbit of Venus is inside the earth’s orbit whereas the orbit of Jupiter lies outside the orbit of the earth 6. The constellations of stars appear at different positions in the sky at different times during night mainly: because earth revolves round the sun because of optical illusion because celestial bodies are changing their positions all the time because earth rotates about its axis 7. If there is no Sun, the colour of the sky would be: black orange blue yellow 8. Foucault experiment is proof of which one of the following? Rotation of Moon Revolution of Moon Rotation of Earth Revolution of Earth 9. The radiant energy of the sun is transmitted in the form of: none of these long waves particles short waves 10. The strongest evidence that comets are members of our solar system comes from: the shape of their orbits the shape and length of their tails their composition their effect on the lives of man Loading … Question 1 of 10 Share this:WhatsAppTelegramTweet Related