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 without projecting any tail or head hyperbolic orbit always accompanied by a shining head 2. The ‘Solar Corona’ mainly consists of: gases molten lava ice cosmic rays 3. Foucault experiment is proof of which one of the following? Revolution of Moon Revolution of Earth Rotation of Earth Rotation of Moon 4. 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 5. The time required by moonlight to reach the earth is : 2.3 sec 2 sec 1 sec 1.3 sec 6. If there is no Sun, the colour of the sky would be: black blue orange yellow 7. The Saturn rings were discovered by: Galileo Newton none of these Copernicus 8. The constellations of stars appear at different positions in the sky at different times during night mainly: because earth revolves round the sun because earth rotates about its axis because celestial bodies are changing their positions all the time because of optical illusion 9. 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 closer to the earth 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 10. The radiant energy of the sun is transmitted in the form of: particles short waves none of these long waves Loading … Question 1 of 10 Share this:WhatsAppTelegramTweet Related