Physics A boat will submerge when it displaces water equal to its own: Surface area Weight Density Volume Surface area Weight Density Volume ANSWER DOWNLOAD EXAMIANS APP
Physics Optical fibre works on which of the following principle of light? Total internal reflection Diffraction Refraction Reflection Total internal reflection Diffraction Refraction Reflection ANSWER DOWNLOAD EXAMIANS APP
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 Why does bleeding occur through the nose in high mountainous regions ? The pressure at high altitudes is greater than that on the plains The blood pressure fluctuates and finally decreases drastically The blood pressure of a person increases at high altitudes The pressure of blood in capillaries is greater than the outside pressure The pressure at high altitudes is greater than that on the plains The blood pressure fluctuates and finally decreases drastically The blood pressure of a person increases at high altitudes The pressure of blood in capillaries is greater than the outside pressure ANSWER DOWNLOAD EXAMIANS APP
Physics If electric resistance is to be decreased, then the number of resistances should be connected in ________ Parallel Series Mixed arrangement None of these Parallel Series Mixed arrangement None of these ANSWER DOWNLOAD EXAMIANS APP
Physics When a pail of water is swung in a vertical circle, the water does not fall out at the top of the loop when the speed is Below a certain minimum value depending on amount of water in the pail Above a certain minimum value depending on amount of water in the pail Above a certain minimum value irrespective of amount of water in the pail Below a certain minimum value irrespective of amount of water in the pail Below a certain minimum value depending on amount of water in the pail Above a certain minimum value depending on amount of water in the pail Above a certain minimum value irrespective of amount of water in the pail Below a certain minimum value irrespective of amount of water in the pail ANSWER DOWNLOAD EXAMIANS APP