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Learn POLICE SI MCQs with answers [Page 1 of Department 54]

M

Mahesh Chandra • 6.28K Points
Tutor III 

3) The ringing of an electric bell in an enclosed evacuated glass bell jar is not heard outside because

(A) The ringing is not loud enough
(B) The glass of the bell jar absorbs the sound waves
(C) The bell jar is too small
(D) There is no air or any other gas in the bell jar
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Correct Answer - Option (D)

No Explanation found. Add Explanation and get +2 points.

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G

Gopal Sharma • 17.50K Points
Tutor I 

5) A circular loop of wire is rotated at constant angular speed about an axis that makes an angle q with a constant magnetic field as shown in figure. The emf induced in the coil will be zero at all times if

(A) q = 45°
(B) will never be zero
(C) q = 0
(D) q = 90°
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Correct Answer - Option (C)

No Explanation found. Add Explanation and get +2 points.

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G

Gopal Sharma • 17.50K Points
Tutor I 

6) When light enters a closed room through a small hole in the door, the image of an outside building appears as inverted on the opposite wall. This is because

(A) The hole acts as a convex lens
(B) The hole acts as a concave lens
(C) Of rectilinear propagation of light
(D) Light takes curvature at the edges of the hole
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Correct Answer - Option (D)

No Explanation found. Add Explanation and get +2 points.

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G

Gopal Sharma • 17.50K Points
Tutor I 

8) An energy source will supply a constant current into the load if its internal resistance is

(A) Very large as compared to the load resistance
(B) Non-zero but less than the resistance of the load
(C) Zero
(D) Equal to the resistance of the load
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Correct Answer - Option (C)

No Explanation found. Add Explanation and get +2 points.

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G

Gopal Sharma • 17.50K Points
Tutor I 

10) A number when divided by 91 gives a remainder 17. When the same number is divided by 13, the remainder will be ?

(A) 0
(B) 4
(C) 6
(D) 3
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Correct Answer - Option (C)

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You are learning MCQ Questions of POLICE SI Department : 54 | Page : 1

Departments: Each department has 200 Multiple choice questions.
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