51). The Earth without rotational movement would result into 1. no Sun-rise and Sun-set 2. no occurrence of day and night cycle. 3. only one season. Select the correct answer using the codes given below
A). Only 1 |
B). 1 and 2 |
C). 2 and 3 |
D). All of these |
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52). According to Big Bang Theory, our universe sprang into existence as 'singularity' around 13.7 billion years ago. Who proposed Big Bang Theory?
A). Georges Lemaître |
B). Galilio |
C). Euclid |
D). Aristotle |
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53). The recent experiments at the Large Hadron Collider (LHC), built by the European Organisation for Nuclear Research (CERN) is
A). in United States of America |
B). under the Atlantic Ocean |
C). beneath the Franco Swiss border |
D). in United Kingdom |
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54). A very small, hot star, the last stage in the life cycle of a star like the Sun is
A). red giant |
B). white dwarf |
C). supernova |
D). black hole |
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55). Which one of the following is an object with such a strong gravitational field that even light cannot escape from its surface?
A). Neutron Star |
B). White Dwarf |
C). Black Hole |
D). Supernova Star |
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56). A storm of hot atoms which dissipates from the photosphere of the Sun, overcomes its gravity and goes into the outer space, is known as
A). solar flares |
B). sun spots |
C). solar fire |
D). None of these |
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57). Consider the following statements 1. The part of the Sun that we can see is known as Photosphere. 2. The outer most part of the Sun, which is visible only at the time of a solar eclipse, is known as Corona. Which of the statements given above is/are correct?
A). Only 1 |
B). Only 2 |
C). Both 1 and 2 |
D). Neither 1 nor 2 |
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58). The only planet whose period of rotation is longer than the period of revolution around the Sun is
A). Mercury |
B). Venus |
C). Mars |
D). Neptune |
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59). If the time of a place located on 165° E meridian is 11:00 pm on Sunday, what would be the time at the place located on 165° W meridian?
A). 11:00 pm on Sunday |
B). 12:00 noon on Sunday |
C). 1:00 am on Sunday |
D). 11:00 pm on Saturday |
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60). Earthquakes are caused by
A). tectonism |
B). denudation |
C). Earth revolution |
D). Earth rotation |
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