Test Details

Human Eye and Colorful World

Explain the structure and function of eye. Also explain the defects of eye.

Feb 18, 7:00 PM

60 minutes

Feb 18, 8:00 PM

100.0 marks

MCQ

55 questions

Rajesh Kharb

MSc,MEd,MBA,PHD

Class Details

Mathematics

Chemistry

Physics

Biology

English

English Grammar

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Question Text

Question 2 :
The band of colours obtained on a screen on passing white light through a prism is called :

Question 6 :
What are the colours of the Sun observed most during sunrise/sunset and noon?

Question 7 :
When a white light ray falls on a prism, the ray at its first surface suffers:

Question 9 :
What are the colours of the Sun observed most during sunrise/sunset and noon?

Question 14 :
In the white light of sun, maximum scattering by the air molecules present in the earth's atmosphere is for:

Question 15 :
The phenomenon due to which white light splits into seven colours on passing through a prism is called _________

Question 16 :
In the white light of sun, maximum scattering by the air molecules present in the earth's atmosphere is for:

Question 19 :
A prism is a piece of transparent material having _____ triangular and _____ rectangular surfaces.

Question 20 :
Name the colour of white light which is deviated the least, on passing through a prism.

Question 23 :
The color of scattered light depends on ____ of the scattering particles.

Question 24 :
Analyse the given statements and choose the correct option.  Statement 1 : When a ray of light passes through a prism, it bends towards the thicker part of the prism. Statement 2 : An incident ray strikes a prism, undergoes refraction and comes out as emergent ray.

Question 27 :
When is the intensity of scattered light independent of the wavelength?

Question 29 :
With age 'Near point' and 'Far point' recedes due to A. Weakening of ciliary muscles B. decreasing ability to change the focal length

Question 30 :
A person is suffering from 'presbyopia' ( myopia and hyper metropia both defects ) should use 

Question 31 :
In spectrum obtained with prism which color is deviated maximum ?

Question 32 :
Which of the following phenomena contributes significantly to the reddish appearance of the sun at sunrise or sunset?

Question 34 :
Which of the following phenomena contributes significantly to the reddish appearance of the sun at sunrise or sunset?

Question 37 :
The rising and setting of sun appear red because of : 

Question 39 :
At sunrise or sunset, the sun appears to be reddish white. This is because :

Question 40 :
What causes difference in velocity of colours while passing from one medium to another through glass prism?

Question 41 :
A person can not see the distant objects clearly (though he can see the nearby object clearly). He is suffering from the defect of vision called:

Question 42 :
Why do high rise buildings have a red light on the top of the building?

Question 43 :
The bluish colour of water in deep sea is due to:

Question 44 :
<div>In the context of scattering</div>Fine particles : ____ wavelength : : large particles : _____ wavelength

Question 45 :
Which of the following colour of light undergoes the maximum deviation while passing a glass prism?

Question 46 :
The sun appears red at the time of sun-rise and sun-set. This is because:

Question 49 :
The danger signals installed at the top of tall buildings are red in colour. These can be easily seen from a distance because among all other colours, the red light:

Question 50 :
The colored light that refracts most while passing through a prism is

Question 51 :
What kind of lens is used in the spectacles of a person suffering from Hypermetropia?

Question 52 :
The process of re-emission of absorbed light in all directions with different intensities by the atom or molecule is called ____________.

Question 53 :
A man can see distinctly from a distance of $0.5 m$. If he wants to read a book placed at a distance of $25 cm$, then what kind of lens should he use?

Question 54 :
To focus the image of a nearby object on the retina of an eye

Question 55 :
A man can see objects clearly up to $3 m$. What type of lens he should use in order to see clearly up to $12 m$?

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