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प्रश्न
What do you mean by the term reflection of light ?
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उत्तर
Reflection of light— When light strikes a polished surface it comes back in the same medium, is called reflection of light.
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संबंधित प्रश्न
The following diagram shows a point object O placed in front of a plane mirror. Take two rays from the point O and show how the image of O is formed and seen by the eye.
The perpendicular to the mirror at the point of incidence is called ______.
Draw a figure showing the following.
- Incident Ray
- Normal
- Angle of incidence
- Angle of reflection
- Point of incidence
- Reflected ray
Copy the figure. By taking two rays from point A, show the formation of image. State four characteristics of the image.
State whether the following statement is true or false. If false, correct it.
If the incident ray makes an angle of Xo with the normal, then the reflected ray is 2Xo.
State whether the following statement is true or false. If false, correct it.
The image formed in a plane mirror is the real, erect, and same size as that of the object.
Say TRUE or FALSE
We see a book because it reflects the light that falls on its surface
Figure shows a ray of light as it travels from medium A to medium B. Refractive index of the medium B relative to medium A is
A light ray enters from medium A to medium B as shown in Figure 10.2. The refractive index of medium B relative to A will be
Total internal reflection will occur if the angle of reflection is ______.
