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Agniveer Army Technical 2027 Mock Test Series with Answers | Military Brat Defence Academy

Q: A solution has pH 3. It is:

Correct Answer: A. acidic. A pH below 7 indicates an acidic solution.

Q: The SI unit of electric current is:

Correct Answer: B. Ampere. Electric current is measured in amperes.

Q: A convex lens can form:

Correct Answer: B. real and virtual images. A convex lens can form real or virtual images depending on object position.

Q: The angle of incidence equals the angle of reflection. This is a law of:

Correct Answer: B. Reflection. This is the law of reflection.

Q: Heat naturally flows from:

Correct Answer: B. hot body to cold body. Heat flows spontaneously from higher to lower temperature.

Q: A sample has mass 410 g and volume 60 cm³. Density is:

Correct Answer: A. 6.83333 g/cm³. Density = mass/volume.

Q: A wave has frequency 55 Hz and wavelength 2 m. Its speed is:

Correct Answer: A. 110 m/s. Wave speed v=fλ.

Q: A current of 3 A flows through a resistance of 4 Ω. The voltage is:

Correct Answer: A. 12 V. Ohm's law: V = IR.

Q: A 3 kg body moves at 7 m/s. Its kinetic energy is:

Correct Answer: A. 73.5 J. KE = 1/2 mv².

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Series: Agniveer Army Technical 2027 Mock Test Series

QID #1144947 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 21 Medium

A solution has pH 3. It is:

Correct Answer: A. acidic
A pH below 7 indicates an acidic solution.

Question: A solution has pH 3. It is:

A. acidic

B. basic

C. neutral

D. metallic

Correct Answer: A. acidicExplanation: A pH below 7 indicates an acidic solution.

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QID #1144946 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 21 Medium

An element X has valency 2. If oxygen has valency 2, which statement is useful while writing the simplest oxide formula?

Correct Answer: A. Criss-cross the valencies and simplify the ratio
The criss-cross method uses valencies to obtain the simplest combining ratio.

Question: An element X has valency 2. If oxygen has valency 2, which statement is useful while writing the simplest oxide formula?

A. Criss-cross the valencies and simplify the ratio

B. Add the valencies only

C. Ignore oxygen's valency

D. Use atomic masses instead

Correct Answer: A. Criss-cross the valencies and simplify the ratioExplanation: The criss-cross method uses valencies to obtain the simplest combining ratio.

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QID #1144945 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 21 Medium

The SI unit of electric current is:

Correct Answer: B. Ampere
Electric current is measured in amperes.

Question: The SI unit of electric current is:

A. Volt

B. Ampere

C. Ohm

D. Coulomb

Correct Answer: B. AmpereExplanation: Electric current is measured in amperes.

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QID #1144944 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 21 Medium

A convex lens can form:

Correct Answer: B. real and virtual images
A convex lens can form real or virtual images depending on object position.

Question: A convex lens can form:

A. only virtual images

B. real and virtual images

C. only erect images

D. no images

Correct Answer: B. real and virtual imagesExplanation: A convex lens can form real or virtual images depending on object position.

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QID #1144943 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 21 Medium

The angle of incidence equals the angle of reflection. This is a law of:

Correct Answer: B. Reflection
This is the law of reflection.

Question: The angle of incidence equals the angle of reflection. This is a law of:

A. Refraction

B. Reflection

C. Diffraction

D. Dispersion

Correct Answer: B. ReflectionExplanation: This is the law of reflection.

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QID #1144942 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 21 Medium

Heat naturally flows from:

Correct Answer: B. hot body to cold body
Heat flows spontaneously from higher to lower temperature.

Question: Heat naturally flows from:

A. cold body to hot body

B. hot body to cold body

C. low mass to high mass

D. vacuum to matter

Correct Answer: B. hot body to cold bodyExplanation: Heat flows spontaneously from higher to lower temperature.

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QID #1144941 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 21 Medium

A sample has mass 410 g and volume 60 cm³. Density is:

Correct Answer: A. 6.83333 g/cm³
Density = mass/volume.

Question: A sample has mass 410 g and volume 60 cm³. Density is:

A. 6.83333 g/cm³

B. 24600 g/cm³

C. 0.146341 g/cm³

D. 470 g/cm³

Correct Answer: A. 6.83333 g/cm³Explanation: Density = mass/volume.

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QID #1144940 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 21 Medium

A wave has frequency 55 Hz and wavelength 2 m. Its speed is:

Correct Answer: A. 110 m/s
Wave speed v=fλ.

Question: A wave has frequency 55 Hz and wavelength 2 m. Its speed is:

A. 110 m/s

B. 27.5 m/s

C. 57 m/s

D. 0.0363636 m/s

Correct Answer: A. 110 m/sExplanation: Wave speed v=fλ.

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QID #1144939 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 21 Medium

A current of 3 A flows through a resistance of 4 Ω. The voltage is:

Correct Answer: A. 12 V
Ohm's law: V = IR.

Question: A current of 3 A flows through a resistance of 4 Ω. The voltage is:

A. 12 V

B. 7 V

C. 1.33333 V

D. 0.75 V

Correct Answer: A. 12 VExplanation: Ohm's law: V = IR.

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QID #1144938 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 21 Medium

A 3 kg body moves at 7 m/s. Its kinetic energy is:

Correct Answer: A. 73.5 J
KE = 1/2 mv².

Question: A 3 kg body moves at 7 m/s. Its kinetic energy is:

A. 73.5 J

B. 21 J

C. 147 J

D. 10.5 J

Correct Answer: A. 73.5 JExplanation: KE = 1/2 mv².

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QID #1144937 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 21 Medium

A force of 52 N moves an object 3 m in the force direction. Work done is:

Correct Answer: A. 156 J
Work = force × displacement.

Question: A force of 52 N moves an object 3 m in the force direction. Work done is:

A. 156 J

B. 55 J

C. 17.3333 J

D. 312 J

Correct Answer: A. 156 JExplanation: Work = force × displacement.

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QID #1144936 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 21 Medium

An object has initial velocity 4 m/s and acceleration 2 m/s² for 3 s. Final velocity is:

Correct Answer: A. 10 m/s
Use v = u + at.

Question: An object has initial velocity 4 m/s and acceleration 2 m/s² for 3 s. Final velocity is:

A. 10 m/s

B. 12 m/s

C. 6 m/s

D. 12 m/s

Correct Answer: A. 10 m/sExplanation: Use v = u + at.

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QID #1144935 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 21 Medium

The binary representation of decimal 10 is:

Correct Answer: B. 1010
10 in binary is 1010.

Question: The binary representation of decimal 10 is:

A. 1001

B. 1010

C. 1100

D. 1110

Correct Answer: B. 1010Explanation: 10 in binary is 1010.

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QID #1144934 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 21 Medium

A bag has 3 red and 3 blue balls. Probability of drawing a red ball is:

Correct Answer: A. 3/6
Probability = favorable outcomes / total outcomes.

Question: A bag has 3 red and 3 blue balls. Probability of drawing a red ball is:

A. 3/6

B. 3/6

C. 1/6

D. 2/6

Correct Answer: A. 3/6Explanation: Probability = favorable outcomes / total outcomes.

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QID #1144933 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 21 Medium

The median of 33, 36, 39, 42, 45 is:

Correct Answer: B. 39
For five ordered values, the median is the third value.

Question: The median of 33, 36, 39, 42, 45 is:

A. 36

B. 39

C. 42

D. 45

Correct Answer: B. 39Explanation: For five ordered values, the median is the third value.

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QID #1144932 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 21 Medium

If the angle of elevation of the top of a pole is 45° and the observer is 20 m away, the pole's height (ignoring eye height) is:

Correct Answer: B. 20 m
tan45°=1, so height equals horizontal distance.

Question: If the angle of elevation of the top of a pole is 45° and the observer is 20 m away, the pole's height (ignoring eye height) is:

A. 10 m

B. 20 m

C. 20√2 m

D. 40 m

Correct Answer: B. 20 mExplanation: tan45°=1, so height equals horizontal distance.

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QID #1144931 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 21 Medium

The value of sin 30° is:

Correct Answer: A. 1/2
sin 30° has the standard value shown.

Question: The value of sin 30° is:

A. 1/2

B. 1

C. 0

D. √3

Correct Answer: A. 1/2Explanation: sin 30° has the standard value shown.

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QID #1144930 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 21 Medium

The circumference of a circle of radius 4 cm is:

Correct Answer: B. 8π cm
Circumference = 2πr.

Question: The circumference of a circle of radius 4 cm is:

A. 16π cm

B. 8π cm

C. 4π cm

D. 32π cm

Correct Answer: B. 8π cmExplanation: Circumference = 2πr.

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QID #1144929 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 21 Medium

The sum of the interior angles of a triangle is:

Correct Answer: B. 180°
The angles of a triangle sum to 180°.

Question: The sum of the interior angles of a triangle is:

A. 90°

B. 180°

C. 270°

D. 360°

Correct Answer: B. 180°Explanation: The angles of a triangle sum to 180°.

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QID #1144928 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 21 Medium

A rectangle has length 17 cm and breadth 6 cm. Its perimeter is:

Correct Answer: B. 46 cm
Perimeter = 2(l+b).

Question: A rectangle has length 17 cm and breadth 6 cm. Its perimeter is:

A. 102 cm

B. 46 cm

C. 23 cm

D. 204 cm

Correct Answer: B. 46 cmExplanation: Perimeter = 2(l+b).

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