Second term weekly test revision questionaires
Q1.a) what do you mean by absolute refractive index?
b) what do you understand by refraction of light?
Q2.a) state two uses of concave mirror.
b) what is a real image? Why it cannot be formed by a convex mirror?
Q3.a) Draw a diagram showing the refraction of light ray from water to glass.label on it the incident Ray, angle of incidence and the angle of refraction.
b) A coin placed at the bottom of vessel appears to be raised when water is poured in the vessel. Explain it with the help of suitable diagram.
Q4.a) Draw a separate diagrams for the formation of a virtual image of an object by a concave mirror and a convex mirror. State the difference of the two images.
b) A driver cannot use a concave mirror as a rear view mirror. Explain the reason with the help of a ray diagram
No comments:
Post a Comment
Thanks