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: yellow blue black orange 2. The strongest evidence that comets are members of our solar system comes from: the shape and length of their tails their effect on the lives of man their composition the shape of their orbits 3. 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] the orbit of Venus is inside the earth’s orbit whereas the orbit of Jupiter lies outside the orbit of the earth Venus is much closer to the earth than Jupiter Venus reflects lesser amount of sunlight than Jupiter Venus is much smaller than Jupiter 4. Comets are celestial bodies moving about the solar system in hyperbolic orbit without projecting any tail or head elliptical or hyperbolic orbits, usually accompanied by a shining tail elliptical orbits usually accompanied by a long shining tail hyperbolic orbit always accompanied by a shining head 5. The Saturn rings were discovered by: Newton Galileo Copernicus none of these 6. The radiant energy of the sun is transmitted in the form of: long waves short waves none of these particles 7. The time required by moonlight to reach the earth is : 2 sec 2.3 sec 1.3 sec 1 sec 8. The constellations of stars appear at different positions in the sky at different times during night mainly: because earth rotates about its axis because earth revolves round the sun because celestial bodies are changing their positions all the time because of optical illusion 9. The ‘Solar Corona’ mainly consists of: ice gases cosmic rays molten lava 10. Foucault experiment is proof of which one of the following? Rotation of Earth Rotation of Moon Revolution of Earth Revolution of Moon Loading … Question 1 of 10 Share this:WhatsAppTelegramTweet Related