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Learn POLICE SI MCQs with answers [Page 1 of Department 113]

D

Durgesh • 8.64K Points
Tutor III

1) Choose the missing terms out of the given alternatives : 2A11, 4D13, 12G17, ?

(A) 36I19
(B) 36J21
(C) 48J21
(D) 48J23
Correct Answer - Option (D)

Explanation :
1st number : 2 × 2 = 4 × 3 = 12 × 4 = 48 Middle letter : A + 3 = D + 3 = G + 3 = J 3rd number : 11 + 2 = 13 + 4 = 17 + 6 = 23

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D

Durgesh • 8.64K Points
Tutor III

2) Choose the missing terms out of the given alternatives : W-144, ?, S-100, Q-81, O-64

(A) U-121
(B) U-122
(C) V-121
(D) V-128
Correct Answer - Option (A)

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

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B

Babita • 7.55K Points
Tutor III

3) Which of the following physical quantities do not have same dimensions

(A) Force and Pressure
(B) Work and Energy
(C) Impulse and momentum
(D) Weight and Force
Correct Answer - Option (A)

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

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B

Babita • 7.55K Points
Tutor III

4) ____ is not an example of refraction of light.

(A) Twinkling effect of stars
(B) Mirages
(C) Lateral inversion
(D) Bending of light while passing through a medium
Correct Answer - Option (C)

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

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B

Babita • 7.55K Points
Tutor III

5) The Capacity of a Communication Channel is Measured in

(A) Band rate
(B) Band width
(C) Data flow
(D) Bit capacity
Correct Answer - Option (B)

Explanation :
The path that data takes from source to destination is called a Channel. A channel is a communication medium. A channel has a certain capacity for transmitting information. The "capacity" of a channel is the theoretical upper-limit to the bit rate over a given channel that will result in negligible errors. Channel capacity is often measured by its Bandwidth in Hz or its data rate in bits per second.

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B

Babita • 7.55K Points
Tutor III

6) Pick out the only scalar quantity

(A) power
(B) Electric field
(C) magnetic momentum
(D) average velocity
Correct Answer - Option (A)

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

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B

Babita • 7.55K Points
Tutor III

7) Which of the following is the fastest communication channel?

(A) Microwave
(B) Optical fiber
(C) Radio wave
(D) All are operating at nearly the same propagation speed
Correct Answer - Option (A)

Explanation :
A microwave is the fastest communication channel whereas Optical fiber is a way of transferring data not a way of communication.

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