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

Q: Weight of a body equals:

Correct Answer: A. mass × acceleration due to gravity. Weight W = mg.

Q: Electrolysis uses electric current to drive a:

Correct Answer: B. chemical change. Electrolysis drives a chemical reaction using electrical energy.

Q: An atom has atomic number 9. Its number of protons is:

Correct Answer: A. 9. Atomic number equals the number of protons.

Q: A solution has pH 5. 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: The SI unit of momentum is:

Correct Answer: A. kg m/s. Momentum = mass × velocity.

Q: 45 C of charge passes a point in 7 s. Current is:

Correct Answer: A. 6.42857 A. Current I = Q/t.

Q: A 4 kg body moves at 5 m/s. Its kinetic energy is:

Correct Answer: A. 50 J. KE = 1/2 mv².

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.

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Series: Agniveer Army Technical 2027 Mock Test Series

QID #1144007 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 07 Medium

Weight of a body equals:

Correct Answer: A. mass × acceleration due to gravity
Weight W = mg.

Question: Weight of a body equals:

A. mass × acceleration due to gravity

B. mass ÷ gravity

C. density × volume

D. force ÷ area

Correct Answer: A. mass × acceleration due to gravityExplanation: Weight W = mg.

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QID #1144006 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 03 Medium

Electrolysis uses electric current to drive a:

Correct Answer: B. chemical change
Electrolysis drives a chemical reaction using electrical energy.

Question: Electrolysis uses electric current to drive a:

A. spontaneous mechanical process

B. chemical change

C. nuclear change

D. gravitational change

Correct Answer: B. chemical changeExplanation: Electrolysis drives a chemical reaction using electrical energy.

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QID #1144005 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 03 Medium

An atom has atomic number 9. Its number of protons is:

Correct Answer: A. 9
Atomic number equals the number of protons.

Question: An atom has atomic number 9. Its number of protons is:

A. 9

B. 10

C. 8

D. 15

Correct Answer: A. 9Explanation: Atomic number equals the number of protons.

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QID #1144004 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 03 Medium

A solution has pH 5. It is:

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

Question: A solution has pH 5. 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 #1144003 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 03 Medium

An element X has valency 4. 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 4. 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 #1144002 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 03 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 #1144001 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 07 Medium

The SI unit of momentum is:

Correct Answer: A. kg m/s
Momentum = mass × velocity.

Question: The SI unit of momentum is:

A. kg m/s

B. N/m

C. J/s

D. kg/m³

Correct Answer: A. kg m/sExplanation: Momentum = mass × velocity.

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QID #1144000 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 07 Medium

45 C of charge passes a point in 7 s. Current is:

Correct Answer: A. 6.42857 A
Current I = Q/t.

Question: 45 C of charge passes a point in 7 s. Current is:

A. 6.42857 A

B. 315 A

C. 52 A

D. 0.155556 A

Correct Answer: A. 6.42857 AExplanation: Current I = Q/t.

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QID #1143999 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 07 Medium

A 4 kg body moves at 5 m/s. Its kinetic energy is:

Correct Answer: A. 50 J
KE = 1/2 mv².

Question: A 4 kg body moves at 5 m/s. Its kinetic energy is:

A. 50 J

B. 20 J

C. 100 J

D. 10 J

Correct Answer: A. 50 JExplanation: KE = 1/2 mv².

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QID #1143998 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 03 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 #1143997 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 03 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 #1143996 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 03 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 #1143995 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 03 Medium

A sample has mass 230 g and volume 80 cm³. Density is:

Correct Answer: A. 2.875 g/cm³
Density = mass/volume.

Question: A sample has mass 230 g and volume 80 cm³. Density is:

A. 2.875 g/cm³

B. 18400 g/cm³

C. 0.347826 g/cm³

D. 310 g/cm³

Correct Answer: A. 2.875 g/cm³Explanation: Density = mass/volume.

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QID #1143994 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 03 Medium

A wave has frequency 65 Hz and wavelength 2 m. Its speed is:

Correct Answer: A. 130 m/s
Wave speed v=fλ.

Question: A wave has frequency 65 Hz and wavelength 2 m. Its speed is:

A. 130 m/s

B. 32.5 m/s

C. 67 m/s

D. 0.0307692 m/s

Correct Answer: A. 130 m/sExplanation: Wave speed v=fλ.

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QID #1143993 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 03 Medium

A current of 5 A flows through a resistance of 6 Ω. The voltage is:

Correct Answer: A. 30 V
Ohm's law: V = IR.

Question: A current of 5 A flows through a resistance of 6 Ω. The voltage is:

A. 30 V

B. 11 V

C. 1.2 V

D. 0.833333 V

Correct Answer: A. 30 VExplanation: Ohm's law: V = IR.

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QID #1143992 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 07 Medium

If 120 J of work is done in 4 s, power is:

Correct Answer: A. 30 W
Power = work/time.

Question: If 120 J of work is done in 4 s, power is:

A. 30 W

B. 480 W

C. 124 W

D. 15 W

Correct Answer: A. 30 WExplanation: Power = work/time.

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QID #1143991 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 07 Medium

For u=5 m/s, a=3 m/s² and t=5 s, displacement is:

Correct Answer: A. 62.5 m
Use s = ut + 1/2 at².

Question: For u=5 m/s, a=3 m/s² and t=5 s, displacement is:

A. 62.5 m

B. 13 m

C. 25 m

D. 75 m

Correct Answer: A. 62.5 mExplanation: Use s = ut + 1/2 at².

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QID #1143990 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 07 Medium

A 4 kg body accelerates at 6 m/s². The net force is:

Correct Answer: A. 24 N
Use F = ma.

Question: A 4 kg body accelerates at 6 m/s². The net force is:

A. 24 N

B. 10 N

C. 48 N

D. 12 N

Correct Answer: A. 24 NExplanation: Use F = ma.

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QID #1143989 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 03 Medium

A 5 kg body moves at 7 m/s. Its kinetic energy is:

Correct Answer: A. 122.5 J
KE = 1/2 mv².

Question: A 5 kg body moves at 7 m/s. Its kinetic energy is:

A. 122.5 J

B. 35 J

C. 245 J

D. 17.5 J

Correct Answer: A. 122.5 JExplanation: KE = 1/2 mv².

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QID #1143988 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 03 Medium

A force of 16 N moves an object 5 m in the force direction. Work done is:

Correct Answer: A. 80 J
Work = force × displacement.

Question: A force of 16 N moves an object 5 m in the force direction. Work done is:

A. 80 J

B. 21 J

C. 3.2 J

D. 160 J

Correct Answer: A. 80 JExplanation: Work = force × displacement.

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