Civil Superior Services — Complete MCQ Bank
CSS is Pakistan’s premier federal competitive examination. Strong preparation requires conceptual clarity, broad general knowledge and consistent practice across compulsory and optional areas.
Which force holds quarks together inside protons and neutrons at subatomic distances?
What is the phenomenon where a material loses all electrical resistance below a critical temperature?
Which law states that energy radiated by a black body is proportional to the fourth power of its temperature?
Which type of electromagnetic wave has the highest frequency and energy in the spectrum?
Which phenomenon describes the bending of light around a massive object predicted by general relativity?
Which scientist developed the theory of general relativity extending special relativity to include gravity?
Which instrument is used to detect and measure very small electric currents?
Which fundamental force is responsible for radioactive beta decay?
What is the name of the force that holds protons and neutrons together inside the nucleus?
Which law states that a planet sweeps out equal areas in equal times as it orbits the sun?