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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 heat energy into electrical energy

B heat energy into light energy

C heat energy into mechanical energy

D mechanical energy into heat energy

A 40 W

B 90W

C 100W

D 120W

A Joule effect

B Joule Thomsons effect

C Comptons effect

D Feed back effect

A very good conductor

B moderately good conductor

C an insulator

D no specific criterion available

A free electrons

B protons

C neutrons

D still under controversy

A One

B Two

C Four time

D None of these

A 42Hz

B 7 Hz

C 256Hz

D 262Hz

A isothermal law

B adiabatic law

C isochoric law

D all of the above

A Longitudinal

B Transverse

C Periodic

D both A and C

A ML-1T-2

B ML-2T-2

C MLT-2

D ML2T-2

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Thermocouples convert___________________?

Three equal resistors connected in series with a source of e m f together dissipate 10 W of power each. What will be the power dissipated if the same resistors are connected in parallel across the same source of e m f ?

Production of heat due to an electric current flowing through a conductor is given by _________________?

A wire having very high value of conductance is said to be____________________?

The current through a metallic conductor is due to the motion of _________________?

Fundamental frequency of stationary waves in open pipe is ______________ times the frequency in closed pipe?

The beats frequency (sensible) for a human car is _____________________?

Laplace found that the alternate compressions and rarefactions produced in sound waves follows ________________?

Waves produced at the surface of water by a pencil executing vibrating motion if held vertically at a frequency of 50Hz are__________________?

The dimension of elastic modulus is ___________________ ?