Home
Class 10
PHYSICS
A person is said to be colour blind if h...

A person is said to be colour blind if he/ she has deficiency of rod shaped cells in retina of his eyes.

Text Solution

Verified by Experts

False.
A person is said to be colour blind if he/ she has deficiency of conical shaped cells responding to certain colours in retina of his eyes.
Promotional Banner

Similar Questions

Explore conceptually related problems

Conical cells : respond to the colour :: rod shaped cells : ____

State whether the following statements are true or false : ( If a statement is false , correct it and rewrite it.) : Absense of rod like cells results in colour blindness.

A person can see objects clearly only when they lie between 50cm and 400 cm from his eyes. In order to increase the maximum distance of distinct vision to infinity, the type and power of the correcting lens, the person has to use, will be

Select the appropriate option and complete the following paragraph. (cornea, faint, conical, rod, image, coloured, retina, colours, myopic, presbyopic, colour blind) The ____ in our eyes consists of many light sensitive cells. These cells are shaped like a rod and like a cone. The ____ shaped cells give information about the intensity of light to the brain. The ____ cells give information about the colour of the object to the brain. Brain processes all the information received and we see the actual image of the object. Rod shaped cells respond to ___ light also but conical cells do not. Thus we perceive ____ only in bright light. Some people cannot recognize few colours or cannot distinguish between different colours. These persons are said to be _____. Apart from not being able to distinguish between different colours, their eye sight is normal.

Ina certain town, 40% of the people have brown hair, 25% have brown eyes, and 15% have both brown hair and brown eyes. If a person selected at random from the town has brown hair, the probability that he also has brown eyes is 1//5 b. 3//8 c. 1//3 d. 2//3

We have seen the example of expenditure and income (in terms of polynomials) of Govind who is a dry land farmer. He has borrowed rupees one lakh twenty, five thousand from the bank as an agriculture loan and repaid the said loan at 10 p.c.p.a. He had spent 10,000 on seeds. The expenses on soyabean crop was 2000x for fertilizers and pesticides and 4000x^2 was spent on wages and cultivation. He spent 8000y on fertilizers and pesticides and 9000y^2 on cultivation and wages for cotton and tur crop. His total income was rupees 14000x^2 + 25000/3y^2 + 16000y . By taking x = 2, y = 3 write the income-expenditure account of Govind's farming.