Available Answers

1. 1.

   Fill in the blanks.

   1. In a regular reflection, the beam of light is reflected in _______________ direction.
   2. Angle of incidence is equal to the angle of _______________.
   3. A plane mirror shows _______________ inversion.
   4. The distance of the object and the _______________ is same from the mirror.
   5. In the plane mirror, the image formed is _______________.
2. 2.

   Tick (√) the correct option.

   1. If the angle between the mirror and incident ray is 45° then the angle of reflection is
      1. 60°
      2. 45°
      3. 30°
      4. 90°
   2. The plane mirror shows lateral inversion in which the reflected ray shows the
      1. right side as right
      2. left side as left
      3. right looks like left
      4. none of these
   3. Image formed in the plane mirror is
      1. virtual
      2. inverted
      3. real
      4. none of these
   4. Image formed by the plane mirror is
      1. smaller than the object
      2. larger than the object
      3. reduced
      4. same size as the object
   5. Splitting of white light into many colours is called
      1. rainbow
      2. colourful light
      3. spectrum
      4. dispersion
3. 3.

   Match the columns.

   COLUMN A	COLUMN B
   1. Retina	a. Bending of light
   2. Optic nerve	b. Short sighted
   3. Pupil	c. Impulses
   4. Myopia	d. Long sighted
   5. Hypermetropia	e. Light rays enter
   6. Lens	f. Image formation

    

4. 4.

   Define Reflection.

5. 5.

   Define Refraction.

6. 6.

   Define Dispersion.