Human eye and colourful world

Human eye and colourful world

10th Grade

10 Qs

quiz-placeholder

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Human eye and colourful world

Human eye and colourful world

Assessment

Quiz

Science

10th Grade

Medium

Created by

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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