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NCERT exemplar Class 10 Science solutions chapter 10 discusses light’s fundamental properties such as reflection and refraction. These NCERT exemplar Class 10 Science chapter 10 solutions are prepared and reviewed by our highly skilled physics faculty team, focusing on the solutions’ accuracy and comprehensive nature. These Class 10 Science NCERT exemplar chapter 10 solutions give a step forward to the students while they venture into the basics of Physics and, in turn, develop a strong base of light reflection and refraction concepts. The NCERT exemplar Class 10 Science solutions chapter 10 are prepared to accommodate the CBSE Syllabus for Class 10.
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
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) – 40 cm
(d) – 60 cm
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 center of curvature
(d) When object is kept at a distance greater than its radius of curvature
Question:4
Figure 10.1 shows a ray of light as it travels from medium A to medium B. Refractive index of the medium B relative to medium A is
(a) $\sqrt{3}/\sqrt{2}$
(b) $\sqrt{2}/\sqrt{3}$
(c) ${1}/\sqrt{2}$
(d) $\sqrt{2}$
Question:5
A light ray enters from medium A to medium B as shown in Figure 10.2. The refractive index of medium B relative to A will be
(a) greater than unity
(b) less than unity
(c) equal to unity
(d) zero
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 Figure10.3. Which of the following could be inside the box?
(a) A rectangular glass slab
(b) A convex lens
(c) A concave lens
(d) A prism?
Question:7
A beam of light is incident through the holes on side A and emerges out of the holes on the other side of the box as shown in figure. Which of the following could be inside the box?
(a) Concave lens
(b) Rectangular slab
(c) prism
(d) Convex lens
Question:8
Which of the following statements is true ?
(a) A convex lens has 4 dioptre power having focal length 0.25 m.
(b) A convex lens has – 4 dioptre power having focal length 0.25 m.
(c) A concave lens has 4 dioptre power having focal length 0.25 m.
(d) A concave lens has – 4 dioptre power having focal length 0.25 m
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.
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 30 cm in front of the mirror.
(d) more than 30 cm in front of the mirror.
Question:11
A full-length image of a distance tall building can definitely be seen by using
(a) concave mirror
(b) convex mirror
(c) plane mirror
(d) both concave as well as plane mirror.
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 center of curvature of the reflector
(d) at the center of curvature of the reflector
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
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 the figure. Which one of them is correct?
(a) A
(b) B
(c) C
(d) D
Question:15
You are given water, mustard oil, glycerin 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) Glycerin
Question:16
Which of the following ray diagrams is correct for the ray of light incident on a concave mirror as shown in figure?
(a) Fig. A
(b) Fig. B
(c) Fig. C
(d) Fig. D
Question:17
Which of the following ray diagrams is correct for the ray of light incident on a lens shown in figure ?
(a) Fig. A
(b) Fig. B
(c) Fig. C
(d) Fig. D
Question:18
A girl 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 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
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.
Question:20
Identify the device used as a spherical mirror or lens in the following cases, when the image formed is virtual and erect in each case.
(a) Object is placed between device and its focus, image formed is enlarged and behind it.
(b) Object is placed between the focus and device, image formed is enlarged and on the same side as that of an object.
(c) Object is placed between infinity and device, image formed is diminished and between focus and optical center on the same side as that of the object.
(d) Object is placed between infinity and device, image formed is diminished and between pole and focus, behind it.
Question:21
Answer:Question:22
Answer:Question:23
Answer:Question:24
Answer :Question:25
Answer:Question:26
Answer:Question:27
Answer:Question:28
Answer:Question:29
Answer:Question:30
Draw ray diagrams showing the image formation by a concave mirror when an object is placed
(a) between pole and focus of the mirror
(b) between focus and centre of curvature of the mirror
(c) at centre of curvature of the mirror
(d) a little beyond centre of curvature of the mirror
(e) at infinity
Question:31
Draw ray diagrams showing the image formation by a convex lens when an object is placed
(a) between optical centre and focus of the lens
(b) between focus and twice the focal length of the lens
(c) at twice the focal length of the lens
(d) at infinity
(e) at the focus of the lens
Question:33
Draw ray diagrams showing the image formation by a concave lens when an object is placed
(a) at the focus of the lens
(b) between focus and twice the focal length of the lens
(c) beyond twice the focal length of the lens
Question:34
Draw ray diagrams showing the image formation by a convex mirror when an object is placed
(a) at infinity
(b) at finite distance from the mirror
Question:35
Answer :Question:36
Answer:
Using,Question:37
Answer:Question:38
A student focused the image of a candle flame on a white screen using a convex lens. He noted down the position of the candle screen and the lens as under
Position of candle = 12.0 cm
Position of convex lens = 50.0 cm
Position of the screen = 88.0 cm
(i) What is the focal length of the convex lens?
(ii) Where will the image be formed if he shifts the candle towards the lens at a position of 31.0 cm?
(iii) What will be the nature of the image formed if he further shifts the candle towards the lens?
(iv) Draw a ray diagram to show the formation of the image in case (iii) as said above.
Answer:
Answer :Question:32
Answer:
Laws of refraction:Key topics followed in the NCERT exemplar Class 10 Science chapter 10 solutions cover the understanding of:
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These Class 10 Science NCERT exemplar chapter 10 solutions provide a basic understanding of a small range of electromagnetic waves called light. The phenomenon of vision has great importance on human development. Light Reflection and Refraction is one crucial and fundamental building block for students aspiring to study Physics. The problems posted in books such as NCERT Class 10 Science Book, Physics question bank, S. Chand by Lakhmir Singh and Manjit Kaur, et cetera can be easily dealt with by practicing from NCERT exemplar class 10 science chapter 10 solutions Light Reflection and Refraction.
Students can use NCERT exemplar Class 10 Science solutions chapter 10 pdf download for keeping the solutions handy while studying NCERT exemplar Class 10 Science chapter 10 in an offline mode.
Check NCERT Solutions for questions given in the book
Chapter No. | Chapter Name |
Chapter 1 | Chemical Reactions and Equations |
Chapter 2 | Acids, Bases, and Salts |
Chapter 3 | Metals and Non-metals |
Chapter 4 | Carbon and its Compounds |
Chapter 5 | Periodic Classification of Elements |
Chapter 6 | Life Processes |
Chapter 7 | Control and Coordination |
Chapter 8 | How do Organisms Reproduce? |
Chapter 9 | Heredity and Evolution |
Chapter 10 | Light Reflection and Refraction |
Chapter 11 | The Human Eye and The Colorful World |
Chapter 12 | Electricity |
Chapter 13 | Magnetic Effects of Electric Current |
Chapter 14 | Sources of Energy |
Chapter 15 | Our Environment |
Chapter 16 | Sustainable Management of Natural Resources |
Must check NCERT Solution Subject Wise
Read more NCERT Notes Subject Wise
Any convex lens in air can form a real image of a real object, virtual image of a real object, real image of a virtual object but cannot form virtual image of virtual object
The bird will observe the separation of fish less than X meter, and fish will observe the separation of bird more than X meter because of refraction.
Any diamond glows because of total internal reflection through multiple surfaces of a diamond. In a spherical diamond, there will be no total internal reflection, and it will not glow.
The diffused reflection occurs by a rough surface, and specular reflection occurs by plane reflecting surface like a mirror. In diffused reflection, we will see the reflecting body, and in specular reflection, we will see the light source’s image.
It is an essential chapter for a student’s journey in science and accounts for approximately 8-10 % marks of the final paper. NCERT exemplar Class 10 Science solutions chapter 10 provides an extra edge to understand and practice Light Reflection and Refraction concepts.
Hello
Since you are a domicile of Karnataka and have studied under the Karnataka State Board for 11th and 12th , you are eligible for Karnataka State Quota for admission to various colleges in the state.
1. KCET (Karnataka Common Entrance Test): You must appear for the KCET exam, which is required for admission to undergraduate professional courses like engineering, medical, and other streams. Your exam score and rank will determine your eligibility for counseling.
2. Minority Income under 5 Lakh : If you are from a minority community and your family's income is below 5 lakh, you may be eligible for fee concessions or other benefits depending on the specific institution. Some colleges offer reservations or other advantages for students in this category.
3. Counseling and Seat Allocation:
After the KCET exam, you will need to participate in online counseling.
You need to select your preferred colleges and courses.
Seat allocation will be based on your rank , the availability of seats in your chosen colleges and your preferences.
4. Required Documents :
Domicile Certificate (proof that you are a resident of Karnataka).
Income Certificate (for minority category benefits).
Marksheets (11th and 12th from the Karnataka State Board).
KCET Admit Card and Scorecard.
This process will allow you to secure a seat based on your KCET performance and your category .
check link for more details
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Hope this helps you .
Hello Aspirant, Hope your doing great, your question was incomplete and regarding what exam your asking.
Yes, scoring above 80% in ICSE Class 10 exams typically meets the requirements to get into the Commerce stream in Class 11th under the CBSE board . Admission criteria can vary between schools, so it is advisable to check the specific requirements of the intended CBSE school. Generally, a good academic record with a score above 80% in ICSE 10th result is considered strong for such transitions.
hello Zaid,
Yes, you can apply for 12th grade as a private candidate .You will need to follow the registration process and fulfill the eligibility criteria set by CBSE for private candidates.If you haven't given the 11th grade exam ,you would be able to appear for the 12th exam directly without having passed 11th grade. you will need to give certain tests in the school you are getting addmission to prove your eligibilty.
best of luck!
According to cbse norms candidates who have completed class 10th, class 11th, have a gap year or have failed class 12th can appear for admission in 12th class.for admission in cbse board you need to clear your 11th class first and you must have studied from CBSE board or any other recognized and equivalent board/school.
You are not eligible for cbse board but you can still do 12th from nios which allow candidates to take admission in 12th class as a private student without completing 11th.
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