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 orange black blue 2. Foucault experiment is proof of which one of the following? Rotation of Earth Revolution of Moon Revolution of Earth Rotation of Moon 3. The constellations of stars appear at different positions in the sky at different times during night mainly: because earth revolves round the sun because earth rotates about its axis because celestial bodies are changing their positions all the time because of optical illusion 4. The time required by moonlight to reach the earth is : 2 sec 1 sec 1.3 sec 2.3 sec 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. 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 7. The radiant energy of the sun is transmitted in the form of: long waves particles short waves none of these 8. The ‘Solar Corona’ mainly consists of: molten lava cosmic rays gases ice 9. 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 10. The Saturn rings were discovered by: Galileo Copernicus none of these Newton Loading … Question 1 of 10 Share this:WhatsAppTelegramTweet Related
