World geography Quiz 6 September 22, 2018 September 22, 2018 Please enter your email: 1. Comets are celestial bodies moving about the solar system in elliptical or hyperbolic orbits, usually accompanied by a shining tail 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 2. Foucault experiment is proof of which one of the following? Revolution of Earth Rotation of Moon Rotation of Earth Revolution of Moon 3. The constellations of stars appear at different positions in the sky at different times during night mainly: because earth rotates about its axis because celestial bodies are changing their positions all the time because of optical illusion because earth revolves round the sun 4. The Saturn rings were discovered by: Copernicus Galileo none of these Newton 5. The time required by moonlight to reach the earth is : 2.3 sec 1 sec 2 sec 1.3 sec 6. If there is no Sun, the colour of the sky would be: orange blue yellow black 7. The ‘Solar Corona’ mainly consists of: ice gases cosmic rays molten lava 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 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 Venus reflects lesser amount of sunlight than Jupiter 9. The strongest evidence that comets are members of our solar system comes from: their composition the shape and length of their tails their effect on the lives of man the shape of their orbits 10. The radiant energy of the sun is transmitted in the form of: short waves none of these long waves particles Loading … Question 1 of 10 Share this:WhatsAppTelegramTweet Related