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