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 If the spinning speed of the earth is increased then the weight of body at the equator Same Increases Double Decreases Same Increases Double Decreases ANSWER DOWNLOAD EXAMIANS APP
Physics By how many times are the Electrostatic forces stronger than the Gravitational Forces for a fixed distance? 1036 102 2 1012 1036 102 2 1012 ANSWER DOWNLOAD EXAMIANS APP
Physics Sound of frequency below 20 Hz is called ultrasonic supersonics audio sounds infrasonic ultrasonic supersonics audio sounds infrasonic ANSWER DOWNLOAD EXAMIANS APP
Physics If the velocity of a body is halved its kinetic energy ________ Becomes half Is also doubled Becomes 1/4 th Become 4 times Becomes half Is also doubled Becomes 1/4 th Become 4 times ANSWER DOWNLOAD EXAMIANS APP
Physics The angle in which a cricket ball should be hit to travel maximum horizontal distance is : 45° with horizontal 30° with horizontal 60° with horizontal 15° with horizontal 45° with horizontal 30° with horizontal 60° with horizontal 15° with horizontal ANSWER DOWNLOAD EXAMIANS APP
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