Available Answers

1. 1.

   State whether the following statements are true (T) or false (F):

   1. The image formed by a plane mirror is real.
   2. The colour of a transparent object is the colour of the light which it reflects.
   3. Red, green and blue are the primary colours.
   4. The speed of light in vacuum is 1.24 x 10⁸ m/s.
   5. If the body reflects none of the colours, it appears black.
2. 2.

   Fill in the blanks:

   1. The image that can be obtained on a screen is called ____________.
   2. Unlike a pinhole camera, a plane mirror forms ____________ image.
   3. We see the objects around us because they ____________ light.
   4. A highly polished glass table will show ____________ reflection.
   5. When a ray of light falls normally on a plane mirror, the angle of reflection is ____________.
   6. The angle between the incident ray and the mirror is equal to the angle between the ____________ ray and the mirror
   7. The speed of light ____________ on entering a medium from vacuum.
3. 3.

   State whether the following statements are true (T) or false (F). Correct the false statements:

   1. Plane mirror is a good reflector.
   2. The laws of reflection are not valid when the incident and the reflected rays are reversed.
   3. In case of irregular reflection, no definite image is formed.
   4. Plane mirrors form a real and inverted image.
   5. White light is obtained on mixing the secondary colours.
   6. Light always needs a medium to pass.
   7. An object which absorbs lights of all colours appears dark.
4. 4.

   Choose the correct option:

   1. Which of the following statements is not true about the reflection of light?
   2. According to the laws of reflection, the angle of incidence is _____________ the angle of reflection.
   3. The normal to the surface is drawn _____________ to the surface.
   4. For a plane mirror, the distance between the object and the mirror is always  _____________  the distance between the image and the mirror.
   5. Which of the following is/are example(s) of diffused reflection?
   6. Which of the following is not a characteristic of the image formed by a plane mirror?
5. 5.

   Match the columns:

   Column A	Column B
   Yellow Blue Rainbow Still water Rippled water	Dispersion of light Specular reflection Primary colour Diffused reflection Secondary colour

6. 6.

   Show the following processes in the form of a flowchart.

   Types of reflections with their diagrams.