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