- Q1: What is the bouncing back of light from a surface called?
Answer: Reflection
Explanation: When light strikes a smooth surface and bounces back, it is called reflection. - Q2: What is the angle between the incident ray and the normal called?
Answer: Incidence
Explanation: The angle of incidence is the angle between the incident ray and the normal. - Q3: What is the angle between the reflected ray and the normal called?
Answer: Reflection
Explanation: The angle of reflection is the angle between the reflected ray and the normal. - Q4: What is the line perpendicular to the reflecting surface at the point of incidence called?
Answer: Normal
Explanation: Normal is a line drawn at 90° to the surface at the point where the incident ray strikes. - Q5: How many laws of reflection are there?
Answer: Two
Explanation: There are two basic laws of reflection. - Q6: What is the relationship between the angle of incidence and angle of reflection?
Answer: Equal
Explanation: According to the first law of reflection, the angle of incidence is always equal to the angle of reflection. - Q7: What do the incident ray, reflected ray, and normal lie in?
Answer: Plane
Explanation: The second law of reflection states that the incident ray, reflected ray, and normal all lie in the same plane. - Q8: What kind of surface shows regular reflection?
Answer: Smooth
Explanation: A smooth surface like a mirror reflects light regularly and clearly. - Q9: What type of reflection occurs from rough surfaces?
Answer: Diffused
Explanation: Diffused reflection occurs when light is reflected in different directions from a rough surface. - Q10: What type of image is formed by regular reflection?
Answer: Clear
Explanation: Regular reflection produces a clear and sharp image.