CDS Exam (I)- 2017 - General Knowledge Defence Question Paper

CDS Previous Year Question Papers Question Papers
CDS Exam (I)- 2017 - General Knowledge

CDS Exam (I)- 2017 - General Knowledge Defence Questions

11.
A parallel-plate capacitor, with air in between the plates, has capacitance C. Now the space between the two plates of the capacitor is filled with a dielectric of dielectric constant 7. Then the value of the capacitance will become
A.
C
B.
\( \frac{C}{7} \)
C.
7C
D.
14C
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ANSWER :
C. 7C
12.
For which one of the following does the centre of mass lie outside the body?
A.
A fountain pen
B.
A cricket ball
C.
A ring
D.
A book
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ANSWER :
C. A ring
13.
Which one of the following is a physical change?
A.
Burning of coal
B.
Burning of wood
C.
Heating of a platinum crucible
D.
Heating of potassium chlorate
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ANSWER :
C. Heating of a platinum crucible
14.
The pH value of a sample of multiple-distilled water is
A.
zero
B.
14
C.
very near to zero
D.
very near to seven
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ANSWER :
D. very near to seven
15.
Which one of the following is the most characteristic property of an element?
A.
Density
B.
Boiling point
C.
Mass number
D.
Atomic number
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ANSWER :
D. Atomic number
16.
There are two elements—calcium (atomic number 20) and argon (atomic number 18). The mass number of both the elements is 40. They are therefore known as
A.
isotones
B.
isochores
C.
isobars
D.
isotopes
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ANSWER :
C. isobars
17.
Plum Pudding Model' for an atom was proposed by
A.
Antoine Lavoisier
B.
Robert Boyle
C.
Ernest Rutherford
D.
J. J. Thomson
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ANSWER :
D. J. J. Thomson
18.
What is the number of atoms in 46 g of sodium-23 (N = Avogadro constant)?
A.
\( \frac{N}{2} \)
B.
N
C.
2N
D.
23N
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ANSWER :
C. 2N
19.
Which one of the following statements is correct?
For the purpose of Census 2011
A.
a person aged seven and above who can both read and write with understanding in any language is treated as a literate
B.
a person aged eight and above who can both read and write with understanding in any language is treated as a literate
C.
a person aged nine and above who can both read and write with understanding in any language is treated as a literate
D.
a person aged ten and above who can both read and write with understanding in any language is treated as a literate
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ANSWER :
A. a person aged seven and above who can both read and write with understanding in any language is treated as a literate
20.
In which one of the following States is Loktak Lake situated?
A.
Sikkim
B.
Himachal Pradesh
C.
Manipur
D.
Meghalaya
😑 View Answer Error
ANSWER :
C. Manipur
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