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