Physics Stars appear twinkling because of ......... of light. Scattering Emission Reflection Absorption Scattering Emission Reflection Absorption ANSWER DOWNLOAD EXAMIANS APP
Physics Planck's constant has the dimensions of : Linear momentum Angular momentum Force Energy Linear momentum Angular momentum Force Energy ANSWER DOWNLOAD EXAMIANS APP
Physics Why does bleeding occur through the nose in high mountainous regions ? The blood pressure of a person increases at high altitudes The pressure at high altitudes is greater than that on the plains The blood pressure fluctuates and finally decreases drastically The pressure of blood in capillaries is greater than the outside pressure The blood pressure of a person increases at high altitudes The pressure at high altitudes is greater than that on the plains The blood pressure fluctuates and finally decreases drastically The pressure of blood in capillaries is greater than the outside pressure ANSWER DOWNLOAD EXAMIANS APP
Physics Find the resistance (in mega) of a wire of length 20m, cross sectional area 1 cm2 and made of a material of resistivity 200m. 4000 2000 40 80 4000 2000 40 80 ANSWER DOWNLOAD EXAMIANS APP
Physics A boy is swinging a ball attached to a string in a horizontal circle. If the string snaps It will fall down at the same place where the string breaks It will continue to travel along a tangent to the circle at the point the ball was at the time of snapping and finally fall down None of these The ball will travel towards the center of the circle and fall down It will fall down at the same place where the string breaks It will continue to travel along a tangent to the circle at the point the ball was at the time of snapping and finally fall down None of these The ball will travel towards the center of the circle and fall down ANSWER DOWNLOAD EXAMIANS APP
Physics A barometer is kept inside a bell jar. Air is slowly pumped out of the jar. The mercury level starts falling The mercury level does not change The bell jar breaks up The mercury level starts rising The mercury level starts falling The mercury level does not change The bell jar breaks up The mercury level starts rising ANSWER DOWNLOAD EXAMIANS APP