Physics When number of turns in a coil is trippled, without any change in the length of coil, its self inductance becomes? Nine times Six times One–third Three times Nine times Six times One–third Three times ANSWER DOWNLOAD EXAMIANS APP
Physics Danger signals are generally red as red light Has lowest velocity Gives comfort to eye Undergoes least deviation Is least bright Has lowest velocity Gives comfort to eye Undergoes least deviation Is least bright ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following ray has minimum wavelength X-rays Cosmic ray Gamma ray Utraviolet ray X-rays Cosmic ray Gamma ray Utraviolet ray ANSWER DOWNLOAD EXAMIANS APP
Physics Red light is used for signals because it has High intensity Long wavelength Low refraction in the medium High frequency High intensity Long wavelength Low refraction in the medium High frequency ANSWER DOWNLOAD EXAMIANS APP
Physics What is the direction of torque? Parallel to the radius Same as the direction of applied force Opposite to the direction of applied force Perpendicular to the direction of applied force Parallel to the radius Same as the direction of applied force Opposite to the direction of applied force Perpendicular to the direction of applied force ANSWER DOWNLOAD EXAMIANS APP
Physics On a clean glass plate a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because: density of mercury is greater than that of water. cohesion of water is greater than its adhesion with glass. cohesion of mercury is greater than its adhesion with glass. mercury is a metal. density of mercury is greater than that of water. cohesion of water is greater than its adhesion with glass. cohesion of mercury is greater than its adhesion with glass. mercury is a metal. ANSWER DOWNLOAD EXAMIANS APP