Physics Magnetic keepers are used to protect magnets from : Self-demagnetization Effect of other magnets Demagnetization due to heating Earth's magnetic field Self-demagnetization Effect of other magnets Demagnetization due to heating Earth's magnetic field ANSWER DOWNLOAD EXAMIANS APP
Physics In the absence of ozone layer, which rays will enter into atmosphere? Infrared Visible Ultraviolet X-rays Infrared Visible Ultraviolet X-rays ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a good conductor of heat but a bad conductor of electricity ? Rubber Asbestos Mica Celluloid Rubber Asbestos Mica Celluloid ANSWER DOWNLOAD EXAMIANS APP
Physics The rotational effect of a force on a body about an axis of rotation is described in terms of Centripetal force Moment of force Centrifugal force Centre of gravity Centripetal force Moment of force Centrifugal force Centre of gravity ANSWER DOWNLOAD EXAMIANS APP
Physics In spherical polar coordinates (l, q, a), q denotes the polar angle around z-axis and a denotes the azimuthal angle raised from x-axis . Then the y-component of P is given by Pcosq sina Psinq cosa Pcosq cosa Psinq sina Pcosq sina Psinq cosa Pcosq cosa Psinq sina ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity required to place a vehicle in orbit around the moon is ________ that required to place it in orbit round the earth. Equal to Greater than or equal to Greater than Less than Equal to Greater than or equal to Greater than Less than ANSWER DOWNLOAD EXAMIANS APP