C. Choose the true and false statements from the following: [1X10=10]
1. Deficiency of vitamin B causes night blindness.
2. In the Braille system, patterns are made with coloured dots.
3. Normal make 60° angle with the reflecting surface.
4. Angle of incidence is always equal to angle of reflection.
5. Diffused reflection occurs due to rough surface.
6. Kaleidoscope is based on the principle of dispersion of light.
7. Both incident ray and reflected ray lie in the same plane.
8. The choroid prevents the internal reflection of light and protects the light sensitive inner parts of the eye
9. Rainbow forms due to dispersion.
10. Rods are sensitive to bright light.
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True
true
false
true
true
false
false
true
false
true
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