Advertisements
Advertisements
प्रश्न
At noon the sun appears white as
विकल्प
light is least scattered
all the colours of the white light are scattered away
blue colour is scattered the most
red colour is scattered the most
उत्तर
light is least scattered
Explanation -
At noon, the Sun is nearly overhead, so the light from the Sun would travel relatively shorter distance. At noon, the Sun appears white as only a little of the blue and violet colours are scattered.
APPEARS IN
संबंधित प्रश्न
The eyes of a person are focused (i) on a nearby object, and (ii) on a distant object, turn by turn. In which case:
the converging power of eye-lens will be the maximum?
There are two types of light-sensitive cells in the human eye:
What is each type called?
Mention, where in living organism is the following located and state their main function:
Fovea centralis
Give the main function of the following:
Fovea centralis
Choose the correct answer.
In the chemistry of vision, the photosensitive substance is _________________
State the Location of:
Lacrimal gland
Name the capacity of the eye lens to change its focal length as per need.
Vision defect that increases distance between the lens of the eye and retina of the eye is termed as myopia.
Given below is a diagram depicting a defect of the human eye. Answer the questions that follow:
- Give the scientific term for the defect.
- Mention one possible reason for the defect.
- What type of lens can be used to correct the defect?
Which one of the following statements is NOT correct?