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Physics

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Physics is a core science subject that deals with the study of matter, energy, motion, force, heat, light, electricity, magnetism, and modern physics concepts. It plays a vital role in competitive exams such as PPSC, FPSC, NTS, OTS, KPPSC, BPSC, AJKPSC, CSS, and PMS, where questions test conceptual understanding, numerical problem-solving, and application of laws and formulas.

A Electrical insulators alone

B Electrical conductors alone

C Electrical semi conductors alone

D All of the above

A Symmetry

B Homogeneity

C Isotropy

D Cleavage

A Isotropy

B Cleavage

C Homogeneity

D The external symmetry of form

A Semi conductor

B Super conductors

C Insulators

D Conductor

A High voltage A.C

B Low voltage A.C

C Alternating current at its peak value

D D.C current at peak value

A Energy state

B Valence band

C ve energy state

D conduction band

A Fusion

B Polymerization

C Crystallization

D Subtraction

A The extension of the wire is proportional to the force applied

B The weight of the wire is negligible

C The wire is not stretched beyond its elastic limit

D The cross sectional area of the wire remains constant

A Directly proportional to extension

B Directly proportional to strain

C Directly proportional to square of amplitude

D Inversely proportional to extension

A Stress/strain

B (stress/strain)

C Stress x strain

D (Stress / strain)

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The band theory of solids explains satisfactorily the nature of_________________?

If the density of atoms remain same along any direction in a crystal is called__________________?

The angular position of cells remains the same for a sample of a crystal. This property is called___________________?

Materials in which valence electrons are tightly bound to their atoms at low temperature are called___________________?

A ferromagnet will become fully magnetized at_________________?

The energy band occupied by the valence electrons is called___________________?

Formation of large molecule by joining small molecules is_________________?

A wire is stretched by a force F which causes an extension 1. The energy stored in the wire is____________________?

The ration stress to strain in youngs modulus of the material then tension is__________________?

A certain stress applied to an elastic material produces a certain strain in it. If the elastic limit is not exceeded the energy gained per unit volume of the material is given by_________________?