Punjab Public Service Commission — Complete MCQ Bank
PPSC examinations recruit candidates for Punjab government departments and commonly test general knowledge, current affairs, English and post-related subjects.
Which phenomenon allows optical fibres to transmit light signals over long distances?
Which device converts light energy directly into electrical energy using the photovoltaic effect?
Which type of electromagnetic wave has the highest frequency and energy in the spectrum?
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?
What is the function of an optical fibre?
What is the name of the force that holds protons and neutrons together inside the nucleus?
Which law states that planets move in elliptical orbits with the sun at one focus?
What is the centripetal force?
What is the terminal velocity of a falling object?