The near point of a hypermetropic eye is at 75 cm from the eye. what is the power of the lens required to enable him to read clearly a book held at 25 cm from the eye? what kind of lens will be used to correct this defect of vision.

Along wire carrying a 4.2 a current perpendicular to the xy-plane intersects the x-axis at x=−1.7cm. a second, parallel wire carrying a 3.0 a current intersects the x-axis at x=+1.7cm. part a at what point on the x-axis is the magnetic field zero if the two currents are in the same direction? express your answer to two significant figures and include the appropriate units.

A4.0-cm tall light bulb is placed a distance of 32.0 cm from a concave mirror having a focal length of 16.0 cm. determine the image distance

Am i correct on these two physics questions?