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Learn AIR FORCE MCQs with answers [Page 1 of Department 74]

J

Jitendra Singh • 7.47K Points
Tutor III

1) No current will flow between two charged bodies if they have the same 

(A) Resistance
(B) Charge
(C) Potential
(D) Charge/ potential ratio
Correct Answer - Option (C)

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

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J

Jitendra Singh • 7.47K Points
Tutor III

2) When a number of resistors are connected in series in a circuit, the value of current

(A) Increases
(B) Becomes half
(C) Decreases
(D) Remains the same
Correct Answer - Option (D)

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

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J

Jitendra Singh • 7.47K Points
Tutor III

4) Mirage is an example of

(A) Reflection of light & Refraction of light
(B) Dispersion of light
(C) Total Internal Reflection
(D) Refraction of light & Total Internal Reflection of light
Correct Answer - Option (D)

Explanation :
A Mirage is a naturally occurring optical phenomenon in which light rays bend to produce a displaced image of distant objects or the sky.

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J

Jitendra Singh • 7.47K Points
Tutor III

5) If lift is going up with acceleration, the apparent weight of a body is

(A) may be more or less than true weight
(B) more than the true weight
(C) less than the true weight
(D) equal to the true weight
Correct Answer - Option (B)

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

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J

Jitendra Singh • 7.47K Points
Tutor III

6) Ultrasonic waves are used for stirring liquid solutions because they

(A) do not produce noise during the operation
(B) are easy to produce
(C) can produce perfectly homogeneous solutions
(D) do not produce chemical reactions in the solution
Correct Answer - Option (C)

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

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R

Ram Sharma • 188.81K Points
Coach

7) Which of the following one of the following is used as a sowing agent in the preparation of soft drinks

(A) Phosphorus acid
(B) Salicylic acid
(C) Boric acid
(D) Phosphoric acid
Correct Answer - Option (D)

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

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R

Ram Sharma • 188.81K Points
Coach

9) A wire of resistance R is cut into 'n' equal parts. These parts are then attached in parallel. The equivalent resistance of the combination will be

(A) n R
(B) nR
(C) R n
(D) R n 2
Correct Answer - Option (D)

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

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R

Ram Sharma • 188.81K Points
Coach

10) Type metal used in printing press is an alloy of

(A) lead & zinc
(B) lead & bismuth
(C) lead & copper
(D) lead & antimony
Correct Answer - Option (D)

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

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