1. White light is made up of seven colors. What is the method of separating the colors? (1)
- 1. By passing it through a prism
- 2. By filtration
- 3. Can’t be separated
- 4. Both (a) and (b)
2. Retina of the eye is comparable to which of the following parts of a traditional camera? (1)
- 1. Film
- 2. Lens
- 3. Shutter
- 4. Cover
3. The filament of an electric bulb is made of (4)
- 1. copper
- 2. Aluminum
- 3. lead
- 4. tungsten
4. Which mirror is used as a rear view mirror in the vehicles? (2)
- 1. Plane
- 2. Convex
- 3. Concave
- 4. Plano concave
5. The reason of mirage is (4)
- 1. Interference of light
- 2. Diffraction of light
- 3. Polarization of light
- 4. Total internal reflection of light
