Anyone who will answer all this will get a heart , 5 rating , 50 points.
B SHORT-ANSWER QUESTIONS : Answer in 10-15 words
1. State the laws of reflection.
2. How does a real image differ from a virtual image ?
3. What are the characteristics of the image formed by a plane mirror ?
4. Name the main parts of the human eye.
5. What is nightblindness? How can it be cured?
C) LONG-ANSWER TYPE QUESTIONS : Answer in 20-25 words
1. Show the formation of images when an object is placed in between the two mirrors held at right angles.
2. How does the diffused reflection differ from the regular reflection ?
3. What are the characteristics of the image formed by a plane mirror ?
4. With the help of a diagram show the dispersion of white light by a prism, 5. Distinguish between myopia and hypermetropia. How can these defects be corrected ?
Answers
Answer:
1. The law of reflection states that when a ray of light reflects off a surface, the angle of incidence is equal to the angle of reflection
2. An image formed when the light rays converge at a particular point after refraction and reflection is known as a real image. An image formed when rays appear to meet a particular point after the reflection from the mirror is known as a virtual image
3. Characteristics of the image formed by a plane mirror
The image formed is erect.
The image is laterally inverted.
The image is of the same size as that of the object.
The image is laterally inverted. ...
The image formed is as far behind the mirror as the object is in front of it.
4. What parts of your eye make up vision?
Cornea: This is the front layer of your eye. ...
Pupil: The pupil is the black dot in the center of your eye that acts as a gateway for light. ...
Iris: This part is typically referred to as your eye color. ...
Lens: The lens is behind the iris and pupil.
5. Night blindness caused by nearsightedness, cataracts, or vitamin A deficiency is treatable. Corrective lenses, such as eyeglasses or contacts, can improve nearsighted vision both during the day and at night. Let your doctor know if you still have trouble seeing in dim light even with corrective lenses.
I answered all the short questions
hope it helps
please it as a brainleast answer and hit the ♡
refer the attachment
hope it helps you
