Physics

    Geometrical Optics
    The vertex of spherical mirror lies on
    Matter Properties
    At an altitude where there is no air, the atmospheric pressure would be
    Transfer of Heat
    The rising currents of hot air are called
    Current Electricity
    Glass, wood, plastic, silk, and fur are examples of
    Physics
    Optical fiber works on the principle of
    Optical fiber works on the principle of total internal reflection._x000D_ The Total Internal Reflection is the phenomenon in which the complete reflection of a light ray reaching an interface with a less dense medium when the angle of incidence exceeds the critical angle.
    Physics
    The wave of theory of light is based on
    The wave of theory of light is based on Huyghens’ principle.
    Physics
    The force exerted by a magnet is an example of ________
    The force exerted by a magnet is an example of Non-contact force.
    Geometrical Optics
    The refractive index of a medium is
    Matter Properties
    The mass of 150 cm³ of stone is 400 g. Its density is
    Current Electricity
    SI unit for resistance is