Physics

    Dynamics
    If the string is stretched by two opposite forces of 10 N then tension in the string is
    Physics
    Which one of the following is a non-dimensional quantity?
    Strain is a non-dimensional quantity.
    Transfer of Heat
    Thermal conductivity of water is
    Physics
    Identify the vector quantity from the following
    Angular momentum is a vector quantity.
    Geometrical Optics
    The condition in which the image is formed behind the retina is called
    Physics
    Which of the following is not caused by atmospheric refraction of light ?
    The twinkling of stars and variation in size of the Sun are due to atmospheric refraction of light. Besides, refraction is also responsible for the sun to look during sunset and sunrise. It is also responsible for the sun becoming two or three minutes before actual sunrise. The sun appears higher or lower in the sky due to the changing position of the Earth relative to the Sun.
    Current Electricity
    A fuse is always connected with live wire in
    Simple Harmonic Motion and Waves
    If speed of radio wave is 4×108ms-1, where 1M = 106. The wavelength of the radio waves transmitted at 80Mhz will be
    Physics
    Indicate the false statement about the resistance of a wire
    It is directly proportional to the area of cross-section of wire is a false statement.
    Current Electricity
    If the electromotive force of the battery is 5 V, the total energy supplied by the battery is