a straight rod is partially immersed in water of refractive index 1.33. Its submerged position appears to be inclined 45° with the surface when viewed vertically through air. What is the actual inclination of the rod?

According to newton’s law of universal gravitation, which statements are true? as we move to higher altitudes, the force of gravity on us decreases. as we move to higher altitudes, the force of gravity on us increases. as we gain mass, the force of gravity on us decreases. as we gain mass, the force of gravity on us increases. as we move faster, the force of gravity on us increases.