World geography Quiz 6 September 22, 2018 September 22, 2018 Please enter your email: 1. If there is no Sun, the colour of the sky would be: orange black yellow blue 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 Saturn rings were discovered by: Copernicus none of these Newton Galileo 4. The time required by moonlight to reach the earth is : 2.3 sec 2 sec 1.3 sec 1 sec 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 is much closer to the earth than Jupiter the orbit of Venus is inside the earth’s orbit whereas the orbit of Jupiter lies outside the orbit of the earth Venus reflects lesser amount of sunlight than Jupiter Venus is much smaller than Jupiter 6. The radiant energy of the sun is transmitted in the form of: particles short waves none of these long waves 7. The strongest evidence that comets are members of our solar system comes from: the shape of their orbits their composition the shape and length of their tails their effect on the lives of man 8. The ‘Solar Corona’ mainly consists of: ice cosmic rays molten lava gases 9. The constellations of stars appear at different positions in the sky at different times during night mainly: because of optical illusion because earth revolves round the sun because earth rotates about its axis because celestial bodies are changing their positions all the time 10. Foucault experiment is proof of which one of the following? Revolution of Earth Rotation of Earth Rotation of Moon Revolution of Moon Loading … Question 1 of 10 Share this:WhatsAppTelegramTweet Related