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