SPSC Subject Specialist Physics Past Paper dated 03-06-2023

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SPSC Subject Specialist Physics Past Paper dated 03-06-2023

Q11: The antonym of ‘Intransigent’ is?

Impassable

Conciliatory

Harsh

Corroborative

Q12: The Synonym of ‘Postulate’ is?

Comprehend

Investigate

Hypothesize

Scrutinize

Q13: In Ampere's law, the integration is over a ______?

امپیر کے قانون میں ، انضمام ______ سے زیادہ ہے؟

Surface

Closed path

Closed surface

None of these

Explanation

Ampere's law states that the line integral of the magnetic field around a closed path is proportional to the total current enclosed.

Mathematically, $oint mathbf{B} cdot dmathbf{l} = mu_0 I_{text{enc}}$ , where the integral is taken over a closed loop (path).

Q14: The antonym of ‘Mutation’ is?

Decency

Clangorous

Constancy

Adolescent

Q15: The Synonym of 'Emancipation' is?

Imprisonment

Freedom

Confinement

Duress

Q16: Idiom: To have sticky fingers means?

Having a bad luck

getting stuck in a situation

Unable to find a solution

Being a thief

Q17: Refractive index of materials is approximately equal to the square root of _____?

مواد کی ریفریجویٹ انڈیکس تقریبا _____ کے مربع جڑ کے برابر ہے؟

Magnetic permeability

Electrical permittivity

Electrical permittivity × Magnetic permeability

None of these

Explanation

The refractive index (n) of a material is given by: $n = sqrt{mu varepsilon}$ where μ is the magnetic permeability and ε is the electrical permittivity of the material.

This relation shows how light propagation depends on both electric and magnetic properties of the medium.

Q18: The Antonym of Peremptory is?

Wise

Partial

Humble

None of these

Q19: The structure of Na⁺Cl⁻ is _____?

Body-centered cubic (BCC)

Face-centered cubic (FCC)

Simple cubic (SC)

None of these

Q20: Phase difference between a node and an antinode is _____?

ایک نوڈ اور اینٹینوڈ کے درمیان مرحلے کا فرق _____ ہے؟

280°

90°

45°

None of these

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