Physics To prevent damage from lightning, lightning conductors are used on tall structures. The lightning conductor Should be in the form of a vertical rod Should be made of a good conductor like copper with sharp-pointed edges Should be made of a good conductor but can be of any shape Can be of any shape Should be in the form of a vertical rod Should be made of a good conductor like copper with sharp-pointed edges Should be made of a good conductor but can be of any shape Can be of any shape ANSWER DOWNLOAD EXAMIANS APP
Physics The working of a rocket is based on the principle of: Conservation of momentum Conservation of mass Conservation of angular momentum Conservation of energy Conservation of momentum Conservation of mass Conservation of angular momentum Conservation of energy ANSWER DOWNLOAD EXAMIANS APP
Physics The time period of a pendulum when taken to the Moon would: Decrease Become zero Remain the same Increase Decrease Become zero Remain the same Increase ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following properties is found only in ferromagnetic materials ? Attracting a magnetic substance Susceptibility independent of temperature Hysteresis Point in a particular direction Attracting a magnetic substance Susceptibility independent of temperature Hysteresis Point in a particular direction ANSWER DOWNLOAD EXAMIANS APP
Physics Which resource is both renewable and inexpensive? Gold Minerals Sunlight Coal Gold Minerals Sunlight Coal ANSWER DOWNLOAD EXAMIANS APP
Physics During uniform motion of an object along a straight line, its ________ remains constant with time. Velocity Deceleration Force Acceleration Velocity Deceleration Force Acceleration ANSWER DOWNLOAD EXAMIANS APP