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