TEST - 18 (Human eye and Colourful world)
EFFORTS NEVER FAIL
NAME : *
1. A camera employs a........lens to form ........images. *
1 point
2. The sky looks blue and clear on sunny day because *
1 point
3. The angle of minimum deviation for an equilateral triangle prism is found to be 30 degrees. Its refractive index is *
1 point
4.The power of accommodation of normal eye is *
1 point
5. Which part of retina identify the colour? *
1 point
6. Natural example of dispersion of light is? *
1 point
7. The size of an object as perceived by an eye depends primarily on *
1 point
8. When objects at different distances are seen by the eye which of the following remainconstant? *
1 point
9. The maximum and minimum focal lengths of eye lens are *
1 point
10. During refraction will not change? *
1 point
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