World geography Quiz 6 September 22, 2018 September 22, 2018 Please enter your email: 1. The ‘Solar Corona’ mainly consists of: gases ice molten lava cosmic rays 2. If there is no Sun, the colour of the sky would be: orange yellow black blue 3. The Saturn rings were discovered by: none of these Copernicus Galileo Newton 4. The radiant energy of the sun is transmitted in the form of: short waves particles long waves none of these 5. Foucault experiment is proof of which one of the following? Revolution of Moon Rotation of Moon Revolution of Earth Rotation of Earth 6. The constellations of stars appear at different positions in the sky at different times during night mainly: because earth revolves round the sun because of optical illusion because celestial bodies are changing their positions all the time because earth rotates about its axis 7. The time required by moonlight to reach the earth is : 1 sec 2.3 sec 2 sec 1.3 sec 8. 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 Venus is much smaller than Jupiter 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 9. Comets are celestial bodies moving about the solar system in elliptical orbits usually accompanied by a long shining tail hyperbolic orbit always accompanied by a shining head hyperbolic orbit without projecting any tail or head elliptical or hyperbolic orbits, usually accompanied by a shining tail 10. The strongest evidence that comets are members of our solar system comes from: the shape and length of their tails the shape of their orbits their effect on the lives of man their composition Loading … Question 1 of 10 Share this:WhatsAppTelegramTweet Related