Human eye and colourful world

Quiz
•
Science
•
10th Grade
•
Medium
Kittu Kumar
Used 2K+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The muscular diaphragm that controls the size of the pupil is
Cornea
Ciliary muscles
Iris
Retina
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The image formed on the retina of the human eye is
virtual and erect
real and erect
real and inverted
virtual and inverted
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When white light enters a prism, it gets split into its constituent colours. This is due to
different refractive index for different wavelength of each colour
each colours has same velocity in the prism.
prism material have high density.
Scattering of light
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The air layer of atmosphere whose temperature is less then the hot layer behave as optically
denser medium
rarer medium
inactive medium
either denser or rarer medium
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The deflection of light by minute particles and molecules of the atmosphere in all direction is called ____________ of light.
scattering
interference
tyndell effect
Reflection
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
At noon the sun appears white as [NCERT Exemplar Problems]
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
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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
moves fastest in air
is absorbed the most by smoke or fog
is scattered the least by smoke or fog
is scattered the most by smoke or fog
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