World geography Quiz 6 September 22, 2018 September 22, 2018 Please enter your email: 1. 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 revolves round the sun because of optical illusion because earth rotates about its axis 2. The ‘Solar Corona’ mainly consists of: molten lava cosmic rays gases ice 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] 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 is much smaller than Jupiter Venus reflects lesser amount of sunlight than Jupiter 4. If there is no Sun, the colour of the sky would be: black yellow blue orange 5. The radiant energy of the sun is transmitted in the form of: short waves particles none of these long waves 6. The Saturn rings were discovered by: none of these Copernicus Galileo Newton 7. Foucault experiment is proof of which one of the following? Rotation of Moon Revolution of Earth Rotation of Earth Revolution of Moon 8. The time required by moonlight to reach the earth is : 2 sec 1 sec 2.3 sec 1.3 sec 9. Comets are celestial bodies moving about the solar system in 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 hyperbolic orbit without projecting any tail or head 10. The strongest evidence that comets are members of our solar system comes from: their effect on the lives of man their composition the shape of their orbits the shape and length of their tails Loading … Question 1 of 10 Share this:WhatsAppTelegramTweet Related