What is the angle of incidence when incident ray falls normal to the mirror?

What is the angle of incidence ,when a ray of light falls on the spherical mirror from its centre of curvature?

Light of wavelength 5000 Å falls on a plane reflecting surface. What are the wavelength and frequency of the reflected light? For what angle of incidence is the reflected ray normal to the incident ray?

What is the angle of reflection when a ray of light is incident normally to the mirror?

What is the angle of incidence of a ray if the reflected ray is at an angle of 90^@ to the incident ray ?

What is the angle of incidence of a ray if the reflected ray is at an angle of 90^@ to the incident ray?

What is the angle of reflection, when a ray of light is incident normally on a plane mirror?

(a) and (b) show refraction of a ray in incident at 60^@ with the normal to a glass-air interface respectively.Predict the angle of refraction in glass when the angle of incidence in water is 45^@ with the normal to a water-glass interface[Fig.6.01(c)]. .