Advertisements
Advertisements
प्रश्न
उत्तर १
Reflection obeys the following two laws
(a). The incident ray, the reflected ray, and the normal at the point of incidence, all lie in the same plane.
(b). The angle of incidence and the angle of reflection are always equal.
उत्तर २
- The incident ray, the reflected ray, and the normal at the point of incidence, all lie in the same plane.
- The angle of incidence and the angle of reflection are always equal.
संबंधित प्रश्न
State the laws of reflection.
Describe an activity to show that the incident ray, the reflected ray and the normal at the point of incidence lie in the same plane.
A person 1 m in front of a plane mirror seems to be ______ m away from his image.
Angle of incidence is equal to the angle of reflection.
Image formed by a plane mirror is ______.
What is the angle of incidence of a ray if the reflected ray is at an angle of 90° to the incident ray?
- Find out the position of the image of an object situated at A in the plane mirror.
- Can Paheli at B see this image?
- Can Boojho at C see this image?
- When Paheli moves from B to C, where does the image of A move?
Describe an experiment to verify the laws of reflection of light. Ans. Laws of reflection.
Differentiate between a real and a virtual image.
According to the law of reflection :
State the direction of incident ray which after reflection from a spherical mirror retraces its path. Give a reason to your answer.
State the laws of reflection.
The laws of reflection hold good for
Plane mirrors are arranged parallel to each other to get ______.
The bouncing back of light from a surface is called ______.
We can see things around us only when the light reflected by them reaches our eyes.
Why do we need a shiny surface for reflection?
A safety vest helps to keep the workers who are working by the roadside safely. This is especially so during the night. Why?
Which of the following is a non-mechanical wave?
