whether the following statements are True (T) or False (1)
The band of seven colours is called spectrum
The defect of the eye in which eye lens becomes foggy leading to loss of vision is
alled Myopia.
The bending of light as it passes from one transparent medium to another is called
fraction
The optic nerve connects the eye to the brain,
s Braille system uses six dots,
Concave lens is used to curve the defect Myopia
1. Rainbow has eight colours,
1. Colour blindness is a genetic disorder,
9. We should read the books in moving vehicles,
10. Do not work in a dim light.
Short Answer Questions Type-I (Answer in one or two sentences)
:
Answers
Answer:
full cell
When all six dots are used, the character is called a "full cell." And when no dots are used it's an "empty cell!" The picture below shows you how the dots are arranged in the braille cell for each letter of the alphabet.
Answer:
1) True!- The band of colour visible to the human eye is called the visible spectrum.
2) True- Image is the optical representation of any object.
3) False- Reflection of light from a rough surface is called irregular reflection of light
4) True- The law of reflection states that the incident ray, the reflected ray, and the normal to the surface of the mirror all lie in the same plane.
5) True- The phenomenon where your left appears as the right and vice versa in a mirror is referred to as Lateral Inversion