Class 10 Science Chapter 11 Human Eye and Colourful World MCQ Questions with Answer

Human Eye and Colourful World Class 10 MCQ is one of the best strategies to prepare for the CBSE Class 10 Board exam. If you want to complete a grasp concept or work on one’s score, there is no method except constant practice. Students can improve their speed and accuracy by doing more Human Eye and Colourful World class 10, which will help them all through their board test.

The Human Eye and Colourful World MCQ Questions for Class 10 Questions with Answer

Class 10 Science MCQ with answers are given here to chapter 11 Human Eye and Colourful World. These MCQs are based on the latest CBSE board syllabus and relate to the latest Class 10 Science syllabus. By Solving these Class 10 MCQs, you will be able to analyze all of the concepts quickly in the chapter and get ready for the Class 10 Annual exam.

Learn Human Eye and Colourful World Class 10 MCQ with answers pdf free download according to the latest CBSE and NCERT syllabus. Students should prepare for the examination by solving CBSE Class 10 Human Eye and Colourful World MCQ with answers given below.

Question 1: Which of the following is a natural phenomenon which is caused by the dispersion of sunlight in the sky?
(a) Twinkling of stars
(b) Stars seem higher than they actually are
(c) Advanced sunrise and delayed sunset
(d) Rainbow   

Question 2: The bluish colour of water in deep sea is due to
(a) the presence of algae and other plants found in water
(b) reflection of sky in water
(c) scattering of light
(d) absorption of light by the sea   

Question 3: A prism ABC (with BC as base) is placed in different orientations. A narrow beam of white light is incident on the prism as shown in figure. In which of the following cases, after dispersion, the third colour from the top corresponds to the colour of the sky? 

Question 4: The splitting of white light into different colours on passing through a prism is called
(a) reflection
(b) refraction
(c) dispersion
(d) deviation   

Question 5: Name the scientist who was the first to use a glass prism to obtain the spectrum of sunlight.
(a) Isaac Newton
(b) Einstein
(c) Kepler
(d) Hans Christian Oersted   

Question 6: When Newton colour disc is rotated fast, the different colours ________.
(a) Can be separated
(b) Can be differentiated
(c) Cannot be differentiated
(d) None   

Question 7: The effect of glass prism is only to separate the seven colours of
(a) White light
(b) light from bulb
(c) Sunlight
(d) All   

Question 8: Sunlight is a mixture of __ visible colours
(a) 5
(b) 6
(c) 7
(d) none 

Question 9: When a beam of white light passes through the prism
(a) velocity of violet rays is greater than that of red rays
(b) velocities of violet and red rays are equal to each other
(c) velocity of violet rays is smaller than that of red rays
(d) velocities of violet and red rays do not change   

Question 10: Which of the following is correct for the order of colours present in white light
(a) VIBGYOR
(b) VIYGOBR
(c) VBIYORG
(d) VIGBOYR   

Question 11: When a ray passes through a prism __________.
(a) It goes undeviated
(b) It remain parallel to a base
(c) It bends towards the base
(d) None 

Question 12: The _________ colour is at the top and _________ colour is at the bottom of spectrum.
(a) Red, Violet
(b) Red, Blue
(c) Violet, red
(d) None 

Question 13: The broad wavelength range of visible spectrum is-
(a) 4000-8000Å
(b) 2000-4000Å
(c) 10000-20000Å
(d) None of the above   

Question 14: For which colour, refractive index of glass is maximum?
(a) Red
(b) Violet
(c) Green
(d) Yellow   

Question 15: The angle between two refracting surfaces of prism is called the angle of
(a) Prism
(b) Emergence
(c) Deviation
(d) Incidence 

Question 16: The angle at which the ray gets deviated is called
(a) Angle of deviation
(b) Angle of dispersion
(c) Angle of emergence
(d) refracted angle   

Question 17: The image shows a light ray incident on a glass prism. 

The various angles are labeled in the image. Which angle shows the angle of incidence and angle of refraction, respectively?
(a) A and D
(b) C and F
(c) D and F
(d) B and E     

Question 18: A transparent refracting material which is bounded by two plane refracting surfaces is
(a) Prism
(b) Convex lens
(c) Glass slab
(d) None       

Question 19: Which image shows the deviation of light in a prism? 

Question 20: A ray of light is incident on one face of the prism, as shown.

How will the ray of light disperse in the prism? 

Question 21: Which option justifies that the sun appears red at sunrise and sunset?
(a) The distance between the sun and earth reduces.
(b) The white light disperses into seven colours, only red enters the atmosphere.
(c) Red has high wavelength, so it travels longer distance.
(d) Red scatters highest by the atmosphere.   

Question 22: Red colour of the sun at the time of sunrise and sunset is because-
(a) Red colour is least scattered
(b) Blue colour is least scattered
(c) Red colour is scattered the most
(d) All colours are equally scattered   

Question 23: The sun appears two minutes before the actual sunrise due to atmospheric refraction. How does sunlight travel from space to atmosphere?   

Question 24: White light passes through an equilateral prism then
(a) dispersion takes place at first refracting surface and refraction at second refracting surface
(b) refraction takes place at first refracting surface and refraction at second refracting surface
(c) dispersion takes place at both refracting surfaces
(d) refraction takes place at both refracting surfaces   

Question 25: Two identical prism PQR and P’Q’R’ are given. White light is passed through PQR as shown below.

Which of the following position of P’Q’R’ will again yield white light?

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Question 26: The image shows the dispersion of the white light in the prism. 

What will be the colours of the X, Y and Z? We can see a rainbow on a sunny day when y
(a) X: green; Y: violet; Z: red
(b) X: violet; Y: green; Z: red
(c) X: red; Y: violet; Z: green
(d) X: red; Y: green; Z: violet

Question 27. A person got his eyes tested. The optician’s prescription for the spectacles reads :
Left eye : – 3.00 D Right eye : – 3.50 D
The person is having a defect of vision called : 
(a) presbyopia
(b) myopia
(c) astigmatism
(d) hypermetropia

Question 28. A student sitting on the last bench in the class cannot read the writing on the blackboard clearly but he can read the book lying on his desk clearly. Which of the following statement is correct about the student ? 
(a) The near point of his eyes has receded away.
(b) The near point of his eyes has come closer to him.
(c) The far point of his eyes has receded away.
(d) The far point of his eyes has come closer to him.

Question 29. The day is longer on the earth by about 4 minutes because
(a) the earth is round in shape
(b) the earth rotates on its axis
(c) the earth has atmosphere
(d) the earth revolves around the sun
The Human Eye and the Colourful World 

Question 30. After testing the eyes of a child, the optician has prescribed the following lenses for his spectacles :Left eye  : + 2.00 D Right eye : + 2.25 D The child is suffering from the defect of vision called :   
(a) short-sightedness
(b) long-sightedness
(c) cataract
(d) presbyopia

Question 31. A person cannot see distant objects clearly. His vision can be corrected by using the spectacles containing :   
(a) concave lenses
(b) plane lenses
(c) contact lenses
(d) convex lenses

Question 32. A person finds difficulty in seeing nearby objects clearly. His vision can be corrected by using spectacles containing :       
(a) converging lenses
(b) diverging lenses
(c) prismatic lenses
(d) chromatic lenses

Question 33. A man driving a car can read a distant road sign clearly but finds difficulty in reading the odometer on the dashboard of the car. Which of the following statement is correct about this man ?     
(a) The near point of his eyes has receded away.
(b) The near point of his eyes has come closer to him.
(c) The far point of his eyes has receded away.
(d) The far point of his eyes has come closer to him.

Question 34. The defect of vision in which the eye-lens of a person gets progressively cloudy resulting in blurred vision is called :       
(a) myopia
(b) presbyopia
(c) colourblindness
(d) cataract

Question 35. Having two eyes gives a person :     
(a) deeper field of view
(b) coloured field of view
(c) rear field of view
(d) wider field of view

Question 36. A beam of white light is shone onto a glass prism. The light cannot be :     
(a) deviated
(b) dispersed
(c) focused
(d) refracted

Question 37. The animal which does not have eyes that look sideways is :       
(a) Horse
(b) Chicken
(c) Lion
(d) Fish

Question 38. With both eyes open, a person’s field of view is about :       
(a) 90°
(b) 150°
(c) 180°
(d) 360°

Question 39. The splitting up of white light into seven colours on passing through a glass prism is called :   
(a) refraction
(b) deflection
(c) dispersion
(d) scattering

Question 40. Which of the following coloured light has the least speed in glass prism ?   
(a) violet
(b) yellow
(c) red
(d) green

Question 41. Which of the following colour of white light is least deviated by the prism ?   
(a) green
(b) violet
(c) indigo
(d) yellow

Question 42. The colour of white light which is deviated the maximum on passing through the glass prism is :   
(a) blue
(b) indigo
(c) red
(d) orange

Question 43. We can see the sun before the actual sunrise by about :   
(a) 5 minutes
(b) 2 minutes
(c) 2 hours
(d) 20 minutes

Question 44. The twinkling of stars is due to atmospheric :     
(a) reflection of light
(b) dispersion of light
(c) interference of light
(d) refraction of light

Question 45. The coloured light having the maximum speed in glass prism is :     
(a) blue
(b) green
(c) violet
(d) yellow

Question 46. As light from a far off star comes down towards the earth :       
(a) it bends away from the normal
(b) it bends towards the normal
(c) it does not bend at all
(d) it is reflected back

Question 47. The atmospheric refraction of light causes the twinkling of :     
(a) planets only
(b) stars only
(c) planets and stars
(d) stars and satellites

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