A ray of light strikes a mirror with an angle of incident of 48º. Calculate: i) the angle of reflection and ii). the angle of deviation. please i really need help in answering this question if anyone answers i will mark you profile as brainliest

I) angle of reflection = 48 degrees

II) angle of deviation = 0

Explanation:

Given that the:

angle of incident = 48º. 

According to law of reflection which state that the angle of incident is equal to the angle of reflection.

I.) Therefore,

angle of reflection = 48º. 

II.) There can only be deviation if the mirror has a diffused surface. But for a smooth plane mirror, there can never be any deviation.

Therefore ,

The angle of deviation = 0

a solenoid is created by wrapping a l = 90 m long wire around a hollow tube of diameter d = 4.5 cm.   the wire diameter is d = 0.9 mm.   the solenoid wire is then connected to a power supply so that a current of i = 9 a flows through the wire.

randomized variablesl = 90 m

d = 4.5 cm

d = 0.9 mm

i = 9 a                                          

write an expression for the number of turns, n, in the solenoid. you do not need to take into account the diameter of the wire in this calculation.

calculate the number of turns, n, in the solenoid.

write an expression for the length of the solenoid (l2) in terms of the diameter of the hollow tube d.

calculate the length of the solenoid (l2)   in meters.

calculate the magnitude of the magnetic field at the center of the solenoid in teslas.

explanation: