Two diverging light rays, originating from the same point, have an angle of 5° between them. After the rays reflect from a plane
mirror, what is the angle between them? Construct one possible ray diagram that supports your answer.
2 answers:
Answer:
5°
Explanation:
Two diverging light rays, originating from the same point, have an angle of 5° between them.
According to laws of reflection the angle of incidence is equal to the angle of reflection.
From the attached figure, it is clear that the after reflection from a plane mirror the angle between two rays will be 5°.
O be the originating point. m and n two diverging light rays. When they strikes at the plane mirror, the laws of reflection still fulfilled.
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Explanation:
It is given that,
Area of nickel wire,
Resistance of the wire, R = 2.4 ohms
Initial value of magnetic field,
Final magnetic field,
Time, t = 1.12 s
Let I is the induced current in the loop of wire over this time. Te emf induced in the wire is given by Faraday's law as :
Induced current in the loop of wire is given by :
So, the induced current in the loop of wire over this time is . Hence, this is the required solution.