MCQ Questions for Class 10 Science: Ch 10 Light Reflection and Refraction

Students can practice the NCERT MCQ Questions for Class 10 Science Chapter 10 Light Reflection and Refraction with Answers Pdf free download is available here. Revise all the concepts easily by taking help from the MCQ Questions for Class 10 Science with Answers are prepared based on the latest exam pattern. Students can refer to these Light Reflection and Refraction Class 10 MCQs Questions with Answers and assess their preparation level.

Q1. Assertion: Cannot see the distant object clearly.
Reason: The far point of an eye suffering j, from myopia is less than infinity.

(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.
(e) Both A and R are false.

(b) Both A and R are true but R is not the correct explanation of A.

Q2. When the object is placed between f and 2f of a convex lens, the image formed is

(a) at f
(b) at 2f
(c) beyond 2f
(d) between O and f

Q3. A ray of light is travelling from a rarer medium to a denser medium. While entering the denser medium at the point of incidence, it

(a) goes straight into the second medium
(b) bends towards the normal
(c) bends away from the normal
(d) does not enter at all

(b) bends towards the normal

Q4. The image formed by a convex lens can be

(a) virtual and magnified
(b) virtual and diminished
(c) virtual and of same size
(d) virtual image is not formed

(b) virtual and diminished

Q5. If an incident ray passes through the focus, the reflected ray will

(a) pass through the pole
(b) be parallel to the principal axis
(c) retrace its path
(d) pass through the centre of curvature

(a) pass through the pole

Q6. For a real object, which of the following can produce a real image?

(a) Plane mirror
(b) Concave mirror
(c) Concave lens
(d) Convex mirror

(b) Concave mirror

Q7. The nature of the image formed by concave mirror when the object is placed between the focus (F) and centre of curvature (C) of the mirror observed by us is

(a) real, inverted and diminished
(b) virtual, erect and smaller in size
(c) real, inverted and enlarged
(d) virtual, upright and enlarged

Q8. In torches, search lights and head lights of vehicles the bulb is placed

(a) Between pole and focus
(b) Very near to the focus
(c) Between focus and centre of curvature
(d) At centre of curvature

(b) Very near to the focus

Q9. The focal length of concave mirror is 10 cm. The radius of curvature of mirror will be:

(a) 10 cm
(b) 20 cm
(c) 30 cm
(d) 40 cm

(b) 20 cm

Q10. The focal length of concave mirror is 15 cm. Its radius of curvature will be:

(a) 15 cm
(b) 30 cm
(c) 45 cm
(d) 60 cm

(b) 30 cm

Q11. The focal length of plane mirror is:

(a) Zero
(b) Infinite
(c) 25 cm
(d) 25 cm

(b) Infinite

Q12. The relationship between focal length and radius of curvature is:

(a) f = R
(b) f = \frac{1}{R}
(c) 2f = R
(d) f = 2R

Q13. The focal length of a convex mirror is 12 cm. The radius of convex surface of the mirror will be:

(a) 6 cm
(b) 12 cm
(c) 18 cm
(d) 24 cm

(d) 24 cm

Q14. The object is placed at distance 10 cm in front of a plane mirror. The distance of image from mirror will be:

(a) 5 cm
(b) 10 cm
(c) 20 cm
(d) 0 cm

(b) 10 cm

Q15. The image formed by a mirror is always straight whatever will be the distance, then mirror is:

(a) Only plane
(b) Only concave
(c) Only Convex
(d) Either plane or convex

(a) Only plane

Q16. The image due to convex mirror is always formed:

(a) between centre of curvature and focus
(b) between centre of curvature and infinity
(c) between pole and focus
(d) anywhere

Q17. A concave mirror gives virtual, refract and enlarged image of the object but image of smaller size than the size of the object is

(a) At infinity
(b) Between F and C
(c) Between P and F
(d) At E

Q18. In optics an object which has higher refractive index is called

(a) Optically rarer
(b) Optically denser
(c) Optical density
(d) Refractive ind

(b) Optically denser

Q19. The optical phenomena, twinkling of stars, is due to

(a) Atmospheric reflection
(b) Total reflection
(c) Atmospheric refraction
(d) Total refraction

Q20. Convex lens focus a real, point sized image at focus, the object is placed

(a) At focus
(b) Between F and 2F
(c) At infinity
(d) At 2F

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Q1. Assertion: Cannot see the distant object clearly.Reason: The far point of an eye suffering j, from myopia is less than infinity.