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 colour of visible light has the shortest wavelength?
Which colour of visible light has the longest wavelength?
What type of lens is thicker at the centre than at the edges?
What is the process by which a solid changes directly into a gas without passing through the liquid phase?
Which phenomenon occurs when light bends around the edges of an obstacle or aperture?
What is the SI unit of frequency?
Which law of thermodynamics states that heat naturally flows from a hotter body to a cooler body?
Which law of thermodynamics states that energy cannot be created or destroyed only converted from one form to another?
What is the unit of power in the SI system?
Which property of a body is measured by the amount of matter it contains?