Physics

    Physics
    What does the slope of a velocity time graph represent?
    The slope of a velocity graph represents the acceleration of the object. So, the value of the slope at a particular time represents the acceleration of the object at that instant.
    Everyday Science
    The SI unit of power is
    Electrostatics
    By using electroscope, if the body is negatively charged then due to electrostatic induction, then on the disk there will be appear
    Sound
    Sound energy passing per second through a unit area held perpendicular to the direction of propagation of sound waves is called
    Turning Effect of Forces
    A simple method to find the center of gravity of a body is the usage of
    Physics
    The electric current in a metal wire is due to the flow of –
    The electric current in a metal wire is due to the flow of electrons.
    Kinematics
    In terms of velocity, the symbol vf is used for
    Dynamics
    The acceleration produced by a force of 120 N in a mass of 35 kg will be
    Physics
    Rainbows are produced when sunlight :
    Rainbows are produced when sunlight incident on rain drops hanging in the atmosphere is dispersed after suffering refraction and internal reflection.
    Physics
    Fiber optics cable used in communication, works on the principle of
    Optical communication utilizes the principle of total reflection. When the injection angle of light satisfies certain conditions, light can form total reflection in the optical fiber, thereby achieving the purpose of long-distance transmission.