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