11) In which country is the world's largest salt water lake Vaughan Lake located?
Correct Answer - Option
(B)
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Learn UPSC MCQs with answers [Page 2 of Department 85]
12) Makes an image smaller than the object?
Correct Answer - Option
(D)
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13) What is the nature of real image?
Correct Answer - Option
(A)
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14) According to the law of reflection of light -
Correct Answer - Option
(B)
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15) Is a mirror always forming an erect image of a real object?
Correct Answer - Option
(D)
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16) The image formed by a plane mirror is always?
Correct Answer - Option
(C)
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17) What controls the amount of light entering the eye?
Correct Answer - Option
(A)
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18) The image formed by a plane mirror is?
Correct Answer - Option
(B)
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19) Which of the following liquids has the lowest density?
Correct Answer - Option
(B)
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20) Heat is a type of energy that can be converted into work. Who first gave direct proof of this?
Correct Answer - Option
(D)
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