Questions

Q:

A galvanometer can be converted to a voltmeter by connecting

A) a high resistance in parallel B) a high resistance in series
C) a low resistance in series D) a low resistance in parallel
 
Answer & Explanation Answer: B) a high resistance in series

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Q:

Which of the following is not a vector quantity?

A) Acceleration B) Electric current
C) Force D) Velocity
 
Answer & Explanation Answer: B) Electric current

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Q:

Who discovered theory of relativity?

A) Isaac Newton B) Albert Einstein
C) Niel Bohr D) Michael Faraday
 
Answer & Explanation Answer: B) Albert Einstein

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Q:

Lord Cornwallis is known for _____.

A) permanent revenue settlement of Bengal B) attacking the caste system
C) land revenue settlement of United States D) ryotwari settlement of Madras
 
Answer & Explanation Answer: A) permanent revenue settlement of Bengal

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Q:

Select the word with the correct spelling.

A) sylabus B) encroach
C) coalesse D) adhetion
 
Answer & Explanation Answer: B) encroach

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Q:

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.

unable to be destroyed or removed.

A) ineradicable B) habit
C) worn D) fixed
 
Answer & Explanation Answer: A) ineradicable

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Q:

A cube is inscribed in a sphere. A right circular cylinder is within the cube touching all the vertical faces. A right circular once is inside the cylinder. Their heights are same and the diameter of the cone is equal to that of the cylinder.

Consider the following statements:

1) The surface area of the sphere is √5 Times the curved surface area of the cone.

2) The surface area of the cube is equal to the curved surface area of the cylinder. Which of the above statements is/are correct?

 

A) 1 only B) 2 only
C) Both 1 and 2  D) Neither 1 nor 2
 
Answer & Explanation Answer: D) Neither 1 nor 2

Explanation:
The top view of the given assembly will look like the figure above
Outermost is the sphere. Inside that there is a cube and within that there is a cone and cylinder with same radius.
Here side of cube = a
Diameter of Sphere = body diagnol = √3 a
Radius of sphere = √3 a/2 =r1
Height of Cylinder = Height of cone = side of cube = a =h
Radius of cylinder = Radius of cone = side of cube/2 = a/2 =r2(as shown in the figure)
 
Thus neither 1 nor 2 are true
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Q:

In the following question, out of the four alternatives, select the word similar in meaning to the word given.
Depict

A) Conceal B) Distort
C) Characterize D) Suppress
 
Answer & Explanation Answer: C) Characterize

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