MCQ Questions for Class 10 Science Chapter 10 Light Reflection and Refraction with Answers

Check the below NCERT MCQ Questions for Class 10 Science Chapter 10 Light Reflection and Refraction with Answers Pdf free download. MCQ Questions for Class 10 Science with Answers were prepared based on the latest exam pattern. We have Provided Light Reflection and Refraction Class 10 Science MCQs Questions with Answers to help students understand the concept very well. https://mcqquestions.guru/mcq-questions-for-class-10-science-chapter-10/

You can refer to NCERT Solutions for Class 10 Science Chapter 10 Light Reflection and Refraction to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.

Light Reflection and Refraction Class 10 MCQs Questions with Answers

Light Reflection And Refraction Class 10 MCQ Question 1.
Which of the following can make a parallel beam of light when light from a point source is incident on it?
(a) Concave mirror as well as convex lens
(b) Convex mirror as well as concave lens
(c) Two plane mirrors placed at 90° to each other
(d) Concave mirror as well as concave lens

Answer

Answer: (a) Concave mirror as well as convex lens


Light Class 10 MCQ Question 2.
A 10 mm long awl pin is placed vertically in front of a concave mirror. A 5 mm long image of the awl pin is formed at 30 cm in front of the mirror. The focal length of this mirror is
(a) -30 cm
(b) -20 cm
(c) -40cm
(d) -60 cm

Answer

Answer: (b) -20 cm


Class 10 Light MCQ Question 3.
Under which of the following conditions a concave mirror can form an image larger than the actual object?
(a) When the object is kept at a distance equal to its radius of curvature
(b) When object is kept at a distance less than its focal length
(c) When object is placed between the focus and centre of curvature
(d) When object is kept at a distance greater than its radius of curvature

Answer

Answer: (c) When object is placed between the focus and centre of curvature


MCQ Of Light Class 10 Question 4.
The diagrams showing the correct path of the ray after passing through the
Light Class 10 MCQ
(a) II and III only
(b) I and II only
(c) I, II and III
(d) I, II and IV

Answer

Answer: (c) I, II and III


Class 10 Light Reflection And Refraction MCQ Question 5.
A light ray enters from medium A to medium B as shown in figure. The refractive index of medium B relative to A will be
Light MCQ Class 10
(a) greater than unity
(b) less than unity
(c) equal to unity
(d) zero

Answer

Answer: (a) greater than unity


Class 10 Science Chapter 10 MCQ Question 6.
Beams of light are incident through the holes A and B and emerge out of box through the holes C and D respectively as shown in the figure. Which of the following could be inside the box?
Class 10 Light MCQ
(a) A rectangular glass slab
(b) A convex lens
(c) A concave lens
(d) A prism

Answer

Answer: (a) A rectangular glass slab


MCQ On Light Class 10 Question 7.
A beam of light is incident through the holes on side A and emerges out of the holes on the other face of the box as show in the figure. Which of the following could be inside the box?
MCQ Questions for Class 10 Science Chapter 10 Light Reflection and Refraction with Answers 4
(a) Concave lens
(b) Rectangular glass slab
(c) Prism
(d) Convex lens

Answer

Answer: (d) Convex lens


Light Reflection And Refraction MCQ Question 8.
Which of the following statements is true?
(a) A convex lens has 4 dioptre power having a focal length 0.25 m
(b) A convex lens has -4 dioptre power having a focal length 0.25 m
(c) A concave lens has 4 dioptre power having a focal length 0.25 m
(d) A concave lens has -4 dioptre power having a focal length 0.25 m.

Answer

Answer: (a) A convex lens has 4 dioptre power having a focal length 0.25 m


Reflection Of Light Class 10 MCQ Question 9.
Magnification produced by a rear view mirror fitted in vehicles
(a) is less than one
(b) is more than one
(c) is equal to one
(d) can be more than or less than one depending upon the position of the object in front of it.

Answer

Answer: (a) is less than one


Light Chapter Class 10 MCQ Question 10.
Rays from Sun converge at a point 15 cm in front of a concave mirror. Where should an object be placed so that size of its image is equal to the size of the object?
(a) 15 cm in front of the mirror
(b) 30 cm in front of the mirror
(c) between 15 cm and and 30 cm in front of the mirror
(d) more than 30 cm in front of the mirror

Answer

Answer: (b) 30 cm in front of the mirror


Ch 10 Science Class 10 MCQ Question 11.
A full length image of a distant tall building can definitely be seen by using
(a) a concave mirror
(b) a convex mirror
(c) a plane mirror
(d) both concave as well as plane mirror

Answer

Answer: (b) a convex mirror


MCQ Of Light Reflection And Refraction Class 10 Question 12.
In torches, search lights and headlights of vehicles the bulb is placed
(a) between the pole and the focus of the reflector
(b) very near to the focus of the reflector
(c) between the focus and centre of curvature of the reflector
(d) at the centre of curvature of the reflector

Answer

Answer: (b) very near to the focus of the reflector


Class 10 Science Ch 10 MCQ Question 13.
The laws of reflection hold good for
(a) plane mirror only
(b) concave mirror only
(c) convex mirror only
(d) all mirrors irrespective of their shape

Answer

Answer: (d) all mirrors irrespective of their shape


MCQ Questions On Light Class 10 Question 14.
The path of a ray of light coming from air passing through a rectangular glass slab traced by four students are shown as A, B, C and D in figure. Which one of them is correct?
MCQ Questions for Class 10 Science Chapter 10 Light Reflection and Refraction with Answers 5
(a) A
(b) B
(c) C
(d) D

Answer

Answer: (b) B


Light And Reflection Class 10 MCQ Question 15.
You are given water, mustard oil, glycerine and kerosene. In which of these media a ray of light incident obliquely at same angle would bend the most?
(a) Kerosene
(b) Water
(c) Mustard oil
(d) Glycerine

Answer

Answer: (d) Glycerine


Light Class 10 MCQ With Answers Question 16.
Which of the following ray diagrams is correct for the ray of light incident on a concave mirror as shown in figure?
MCQ Questions for Class 10 Science Chapter 10 Light Reflection and Refraction with Answers 6
(a) Fig. A
(b) Fig. B
(c) Fig. C
(d) Fig. D

Answer

Answer: (d) Fig. D


MCQ Questions For Class 10 Science Chapter 10 Question 17.
Which of the following ray diagrams is correct for the ray of light incident on a lens shown in figure?
MCQ Questions for Class 10 Science Chapter 10 Light Reflection and Refraction with Answers 7
(a) Fig. A
(b) Fig. B
(c) Fig. C
(d) Fig. D

Answer

Answer: (a) Fig. A


Light Reflection And Refraction Class 10 MCQ With Answers Question 18.
A child is standing in front of a magic mirror. She finds the image of her head bigger, the middle portion of her body of the same size and that of the legs smaller. The following is the order of combinations for the magic mirror from the top.
(a) Plane, convex and concave
(b) Convex, concave and plane
(c) Concave, plane and convex
(d) Convex, plane and concave

Answer

Answer: (c) Concave, plane and convex


Chapter 10 Science Class 10 MCQ Question 19.
In which of the following, the image of an object placed at infinity will be highly diminished and point sized?
(a) Concave mirror only
(b) Convex mirror only
(c) Convex lens only
(d) Concave mirror, convex mirror, concave lens and convex lens

Answer

Answer: (d) Concave mirror, convex mirror, concave lens and convex lens


Question 20.
Light travel fastest in
(a) Water
(b) Air
(c) Glass
(d) Diamond

Answer

Answer: (b) Air


Question 21.
A student used a device (X) to obtain/focus the image of a well illuminated distant building on a screen (S) as shown alongside in the diagram. Select the correct statement about the device (X).
MCQ Questions for Class 10 Science Chapter 10 Light Reflection and Refraction with Answers 8
(a) This device is a concave lens of focal length 8 cm.
(b) This device is a convex mirror of focal length 8 cm.
(c) This device is a convex lens of focal length 4 cm.
(d) This device is a convex lens of focal length 8 cm.

Answer

Answer: (d) This device is a convex lens of focal length 8 cm.


Question 22.
A student obtains a sharp image of the distant window (W) of the school laboratory on the screen (S) using the given concave mirror (M) to determine its focal length. Which of the following distances should he measure to get the focal length of the mirror?
MCQ Questions for Class 10 Science Chapter 10 Light Reflection and Refraction with Answers 9
(a) MW
(b) MS
(c) SW
(d) MW- WS

Answer

Answer: (b) MS


Question 23.
The mirror having reflection surface curved outward
(a) plane mirror
(b) concave mirror
(c) convex mirror
(d) cylindrical mirror

Answer

Answer: (c) convex mirror


Question 24.
The mirror having reflecting surface curved inwards
(a) plane mirror
(b) convex mirror
(c) cylindrical mirror
(d) concave mirror

Answer

Answer: (d) concave mirror


Question 25.
The mirror used as rear-view mirror in vehicles
(a) convex mirror
(b) plane mirror
(c) cylindrical mirror
(d) concave mirror

Answer

Answer: (a) convex mirror


Question 26.
The deviation of light ray from its path when it travels from one transparent medium to another transparent medium is called
(a) reflection
(b) refraction
(c) dispersion
(d) scattering

Answer

Answer: (b) refraction


Question 27.
Convex lens is also known as
(a) converging lens
(b) diverging lens
(c) radial lens
(d) axial lens

Answer

Answer: (a) converging lens


Question 28.
The image which is formed behind the mirror
(a) real image
(b) virtual image
(c) blue image
(d) partial image

Answer

Answer: (b) virtual image


Fill in the blanks

1. When light falls on a surface and bounces back to the medium, the phenomena is called ……………..

Answer

Answer: reflection


2. According to laws of reflection, the angle of incidence is equal to angle of ……………..

Answer

Answer: reflection


3. When rays of light after reflection meet a point ………….. image is formed.

Answer

Answer: real


4. The dentists use ………….. mirror to see large images of teeth of patients.

Answer

Answer: concave


5. ……………. is ratio of height of image to height of object.

Answer

Answer: Magnification


6. Power of convex lens is positive and concave lens is ………………

Answer

Answer: negative


Match the following columns

Column I Column II
(a) Mirror having magnification always equal to one (m = 1) (i) concave mirror
(b) Mirror used to concentrate sunlight in reflecting solar cooker (ii) refraction
(c) Image can be obtained on screen (iii) plane mirror
(d) Bottom of a tank containing water appears to be raised due to (iv) convex lens
(e) The lens having power – 2D (v) real image
(f) The lens which is thicker at middle as compared to edges (vi) concave lens
(g) Mirror used as rear-view mirror in vehicles (vii) convex mirror
Answer

Answer:

Column I Column II
(a) Mirror having magnification always equal to one (m = 1) (iii) plane mirror
(b) Mirror used to concentrate sunlight in reflecting solar cooker (i) concave mirror
(c) Image can be obtained on screen (v) real image
(d) Bottom of a tank containing water appears to be raised due to (ii) refraction
(e) The lens having power – 2D (vi) concave lens
(f) The lens which is thicker at middle as compared to edges (iv) convex lens
(g) Mirror used as rear-view mirror in vehicles (vii) convex mirror

Complete the crossword below:

MCQ Questions for Class 10 Science Chapter 10 Light Reflection and Refraction with Answers 10
Across:
4. The deviation of light ray from its path when it travels from one medium to another
5. Magnification of plane mirror
8. Convex lens is also known as
Down:
1. Concave lens is also known as
2. Mirror used as rear view mirror
3. Mirror used by dentist
6. A point on principal axis of lens where all rays of light parallel to the principal axis meets or appear to meet.
7. The image which can be obtained on screen

Answer

Answer:
Across:
4. Refraction
5. One
8. Converging lens

Down:
1. Diverging lens
2. Convex
3. Concave
6. Focus
7. Real image


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