Physics To prevent damage from lightning, lightning conductors are used on tall structures. The lightning conductor Should be made of a good conductor but 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 Can be of any shape Should be made of a good conductor but 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 Can be of any shape ANSWER DOWNLOAD EXAMIANS APP
Physics Lightning is caused due to Electric power Electric discharge Electric leak Electric pressure Electric power Electric discharge Electric leak Electric pressure ANSWER DOWNLOAD EXAMIANS APP
Physics If an ordinary glass tube and a glass capillary tube are both dipped in a beaker of water, water rises in Only the glass tube Both Only the capillary tube Neither Only the glass tube Both Only the capillary tube Neither ANSWER DOWNLOAD EXAMIANS APP
Physics A star appears twinkling in the sky because of Scattering of light by atmosphere Diffraction of light by atmosphere Reflection of light by atmosphere Refraction of light by atmosphere Scattering of light by atmosphere Diffraction of light by atmosphere Reflection of light by atmosphere Refraction of light by atmosphere ANSWER DOWNLOAD EXAMIANS APP
Physics The wave theory of light can explain Interference of light Photoelectric effect Comptom effect Black body spectrum Interference of light Photoelectric effect Comptom effect Black body spectrum ANSWER DOWNLOAD EXAMIANS APP
Physics When water freezes its density Becomes Zero Increases Decreases Remains constant Becomes Zero Increases Decreases Remains constant ANSWER DOWNLOAD EXAMIANS APP