1.
The nature of the lens of human eye
2.
Band of the coloured components of a light beam is called
3.
Phenomenon of light involved in the formation of rainbow
4.
Phenomenon due to which we get light before sunrise
5.
Phenomenon responsible for making path of light visible is
6.
Distant hills covered with trees appear blue
7.
Colour appears in the lower arc of the rainbow
8.
Which of the following is the effect of atmospheric refraction?
9.
At noon sun appears white
10.
The total time for extra sun rays is
11.
The maximum refraction takes place at
12.
Which of the following statement is correct regarding the propagation of light of different colours of white light in air?
13.
Rainbow is a natural phenomenon
14.
The relationship between wave length and speed of light is
15.
Relation between angle A and D is
16.
The main reason for dispersion of light is
17.
Light rays are dispersed from each other at the
18.
For recombination of light after dispersion
19.
Primary colours of light are
20.
Long sightedness is also known as
21.
Rainbows can be best seen in
22.
Least vision of a perfect eye is
23.
Tyndall effect can be seen in
24.
The nature of image is formed on the retina is
25.
Visible spectrum is made up of
26.
The colour of a green leaf is seen as the following coloured under the red colour
27.
There is no existence of black light
28.
The colour of the rising sun is red due not to
29.
For accommodation the change takes place in our eyes
31.
A prism ABC is placed in different ways. When a white light is passing through the prism in which situation the colour of the sky is blue from the top
32.
The ray of light falls on one face of an equilateral glass prism at 40° angle and emerges from the other side at the same angle. the deviation suffered by the ray is
33.
Persistence of vision of eye is
34.
Part of eye which is removed from eyes of dead person for eye donation is
35.
Accommodation of normal eyes is from
36.
Angle of deviation depends on
37.
The optical density is changing with altitude like
38.
In this diagram the angle of incidence the angle of emergence and the angle of deviation respectively have been represented by
39.
Rainbow is visible when the sun is
40.
Shallow water body is transparent because
41.
Ocean water is blue due to
43.
When white light is passing through a hollow glass prism then
44.
Na2S2O3+H2SO4=Na2SO4+SO2+S+H2O observation will be
45.
What will the number of the colour of egg yolk in a recombinant prism (inverted) if number near the base is 7
46.
Human being horizontal vision with one eye is
47.
A person with communicable chronic disease can donate his/her eyes
48.
Example of natural dispersion is
49.
Colour blindness is a genetic disease
50.
The nature of image formed on the retina is
51.
The size of the pupil of the eye is adjusted by
52.
When we enter a cinema hall, we can’t properly for a short time, this is because
53.
When we go out in bright light, the pupil of the eye
54.
Which cells respond to colour of light?
55.
A simple microscope consists of
56.
The property of persistence of vision is used in
57.
Colour blind person may have
58.
Focal length of eye lens is
59.
Variable focal length of eye lens is responsible for
60.
Far point of normal human eye is
61.
Near point of normal human eye is
62.
When ciliary muscles are relaxed, focal length of eye lens is
63.
A concave lens of suitable focal length is used for correcting a
64.
White light is made up of
65.
Splitting of white light into seven colours on passing through a glass prism is called
66.
Which of the colours of visible light has minimum wavelength?
67.
In which spectrum there is no overlapping of colours?
68.
The broad wavelength range of visible spectrum is
69.
All the colours of visible light travel with the same speed in air/vacuum. The statement is
70.
Which colour has maximum speed in glass?
71.
For which colour, refractive index of glass is maximum?
72.
Which colour suffers least deviation on passing through a prism?
73.
Scattering of light involves
74.
The amplitude of scattered light varies with wavelength
75.
Blue colour of sky is due to
76.
Red colour of sun at the time of sunrise and sunset is become
77.
Twinkling of stars is due to
78.
A person went for a medical check-up and found that the curvature of his eye lens is increasing. Which defects is he likely to suffer from??
79.
When light rays enter the eye, most of the refraction occurs at the
80.
A person is seeing an object closer to his eyes. What changes will take place in his eyes?