Class 10 Quiz Level 1 (Easy) – The Human Eye and Colorful World

Total questions: 30

When white light is dispersed by a prism, which colour is refracted the most?

Topic: Dispersion of Light

Deselect Answer

Red

Green

Blue

Violet

None

What part of the eye provides the sharpest vision?

Topic: Structure of the Human Eye

Deselect Answer

Cornea

Retina

Fovea

Optic Nerve

None

Why does the apparent position of stars differ from their true position?

Topic: Atmospheric Refraction

Deselect Answer

Reflection

Refraction

Dispersion

Scattering

None

Which natural phenomenon demonstrates the dispersion of light by water droplets in the atmosphere?

Topic: Dispersion of Light

Deselect Answer

Mirage

Halo

Rainbow

Blue sky

None

What is the minimum distance at which the eye can see an object clearly without strain?

Topic: Power of Accommodation

Deselect Answer

10 cm

25 cm

50 cm

75 cm

None

Which part of the eye contains the photoreceptor cells?

Topic: Structure of the Human Eye

Deselect Answer

Cornea

Iris

Lens

Retina

None

Which defect of vision is associated with aging and the loss of elasticity in the eye’s lens?

Topic: Defects of Vision

Deselect Answer

Myopia

Hypermetropia

Presbyopia

Astigmatism

None

Which defect of vision is corrected using bifocal lenses?

Topic: Defects of Vision

Deselect Answer

Myopia

Hypermetropia

Astigmatism

Presbyopia

None

Which defect of vision is characterized by difficulty in seeing distant objects clearly?

Topic: Defects of Vision

Deselect Answer

Hypermetropia

Myopia

Presbyopia

Astigmatism

None

10.

Which atmospheric phenomenon causes the apparent shift in the position of the Sun during sunrise and sunset?

Topic: Atmospheric Refraction

Deselect Answer

Reflection

Refraction

Dispersion

Scattering

None

11.

What is the common cause of both myopia and hypermetropia?

Topic: Defects of Vision

Deselect Answer

Incorrect shape of the cornea

Length of the eyeball

Weak eye muscles

Poor lighting conditions

None

12.

Which part of the eye controls the amount of light entering the eye?

Topic: Human Eye

Deselect Answer

Cornea

Pupil

Lens

Retina

None

13.

What is the primary cause of the formation of a rainbow?

Topic: Rainbow Formation

Deselect Answer

Reflection

Refraction and Dispersion

Scattering

Absorption

None

14.

Which component of white light is refracted the least when passing through a prism?

Topic: Dispersion of Light

Deselect Answer

Red

Orange

Yellow

Green

None

15.

What shape is a typical prism used in physics experiments?

Topic: Prism

Deselect Answer

Cubical

Spherical

Triangular

Cylindrical

None

16.

Why do stars appear to twinkle?

Topic: Atmospheric Refraction

Deselect Answer

Reflection

Refraction

Dispersion

Scattering

None

17.

Which part of the eye is responsible for colour vision?

Topic: Colour Blindness

Deselect Answer

Cornea

Rods

Cones

Retina

None

18.

When light passes through a prism, it is separated into its constituent colours. What is this phenomenon called?

Topic: Prism

Deselect Answer

Reflection

Refraction

Dispersion

Scattering

None

19.

Which part of the eye adjusts its shape to help focus on objects at different distances?

Topic: Power of Accommodation

Deselect Answer

Cornea

Iris

Lens

Retina

None

20.

Which vision defect is corrected using cylindrical lenses?

Topic: Defects of Vision

Deselect Answer

Myopia

Hypermetropia

Astigmatism

Presbyopia

None

21.

Why do we see a red sky at sunrise and sunset?

Topic: Atmospheric Refraction

Deselect Answer

Reflection

Refraction

Dispersion

Scattering

None

22.

What is the change in the focal length of the eye lens called?

Topic: Power of Accommodation

Deselect Answer

Refraction

Dispersion

Accommodation

Scattering

None

23.

Which part of the human eye helps to focus light onto the retina?

Topic: Human Eye

Deselect Answer

Cornea

Iris

Lens

Sclera

None

24.

What is the clear, gel-like substance that fills the space between the lens and the retina?

Topic: Structure of the Human Eye

Deselect Answer

Aqueous humour

Vitreous humour

Cornea

Iris

None

25.

What type of lens is used to correct hypermetropia?

Topic: Defects of Vision

Deselect Answer

Concave lens

Convex lens

Cylindrical lens

Bifocal lens

None

26.

What is the term for the eye’s ability to focus on objects at different distances?

Topic: Power of Accommodation

Deselect Answer

Refraction

Dispersion

Accommodation

Scattering

None

27.

Why does the Sun appear slightly flattened at sunrise and sunset?

Topic: Atmospheric Refraction

Deselect Answer

Reflection

Refraction

Dispersion

Scattering

None

28.

What is the angle of deviation for the violet colour in a primary rainbow?

Topic: Rainbow Formation

Deselect Answer

40°

42°

44°

46°

None

29.

Which phenomenon explains the ability of the human eye to perceive a continuous image when viewing a rapidly changing sequence of images?

Topic: Persistence of Vision

Deselect Answer

Reflection

Refraction

Persistence of Vision

Scattering

None

30.

Which colour of light bends the least when passing through a prism?

Topic: Dispersion of Light

Deselect Answer

Red

Blue

Green

Violet

None

1 out of 30

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Class 10 Quiz Level 1 (Easy) – The Human Eye and Colorful World

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