Physics On a stationary sail boat, air is blown from a fan attached to the boat. The boat spins around moves in opposite direction in which the air is blown does not move moves in the same direction in which air blows spins around moves in opposite direction in which the air is blown does not move moves in the same direction in which air blows ANSWER DOWNLOAD EXAMIANS APP
Physics Kepler's law of planetary motion states that the square of the time period is proportional to the Fourth power of the semi-major axis Semi-major axis Square of the semi-major axis Cube of the semi-major axis Fourth power of the semi-major axis Semi-major axis Square of the semi-major axis Cube of the semi-major axis ANSWER DOWNLOAD EXAMIANS APP
Physics The function of ball bearings in a wheel is : Just for convenience To convert static friction into kinetic friction To convert kinetic friction into rolling friction To increase friction Just for convenience To convert static friction into kinetic friction To convert kinetic friction into rolling friction To increase friction ANSWER DOWNLOAD EXAMIANS APP
Physics The splitting of different colours of light in a prism is : Reflection of light Diffraction of light Disperson of light Refraction of light Reflection of light Diffraction of light Disperson of light Refraction of light ANSWER DOWNLOAD EXAMIANS APP
Physics Dioptre is the unit of Power of a lens Light intensity Focal length of a lens Sound intensity Power of a lens Light intensity Focal length of a lens Sound intensity ANSWER DOWNLOAD EXAMIANS APP
Physics The spokes used in the wheel of a bicycle increase its Moment of inertia Velocity Momentum Acceleration Moment of inertia Velocity Momentum Acceleration ANSWER DOWNLOAD EXAMIANS APP