Physics To prevent damage from lightning, lightning conductors are used on tall structures. The lightning conductor Should be made of a good conductor like copper with sharp-pointed edges Should be in the form of a vertical rod Should be made of a good conductor but can be of any shape Can be of any shape Should be made of a good conductor like copper with sharp-pointed edges Should be in the form of a vertical rod Should be made of a good conductor but can be of any shape Can be of any shape ANSWER DOWNLOAD EXAMIANS APP
Physics Which is an example of Phototropism? Plant bending toward the light Roots of a plant following water A venus flytrap capturing a fly Roots growing into the soil Plant bending toward the light Roots of a plant following water A venus flytrap capturing a fly Roots growing into the soil ANSWER DOWNLOAD EXAMIANS APP
Physics To resolve an object in an electron microscope, The wavelength of the electrons must be greater than the diameter of the object. The wavelength of the electrons must be close to the diameter of the object None of these Both A & B The wavelength of the electrons must be greater than the diameter of the object. The wavelength of the electrons must be close to the diameter of the object None of these Both A & B ANSWER DOWNLOAD EXAMIANS APP
Physics Which law is also called law of inertia ? Newton second law Newton first law Newton third law All of above Newton second law Newton first law Newton third law All of above ANSWER DOWNLOAD EXAMIANS APP
Physics Conservation of energy refers to the fact that No chemical reaction is 100 percent efficient The entropy of the universe is always increasing Energy cannot be created or destroyed but can be converted from one form to another If you conserve energy you will not be as tired No chemical reaction is 100 percent efficient The entropy of the universe is always increasing Energy cannot be created or destroyed but can be converted from one form to another If you conserve energy you will not be as tired ANSWER DOWNLOAD EXAMIANS APP
Physics Contact force is another name for ________ Magnetic force Electrostatic force Muscular force Friction Magnetic force Electrostatic force Muscular force Friction ANSWER DOWNLOAD EXAMIANS APP