# Light Reflection And Refraction Class 10 Questions And Answers Pdf

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## Light- Reflection and Refraction-Sample Questions

An object is placed at a distance of 0. The distance between the object and image will be a 0. For a real object, which of the following can produce a real image? Answer: b Explanation: b Only concave mirror can produces a real image for the any position of object between its focus and infinity. Which of the following mirror is used by a dentist to examine a small cavity? Answer: c Explanation: c Concave mirror forms erect and enlarged image when held close to the cavity.

## CBSE 10th Science Board Exam 2020: Important MCQs from Chapter 10 Light - Reflection & Refraction

Question 2. The radius of curvature of a spherical mirror is 20 cm. What is its focal length? Question 3.

### NCERT Solutions for Class 10 Science Chapter 10

The chapter very well explains the phenomenon of Reflection and Refraction of light using the straight-line propagation of light. The step-by-step solutions provided for this chapter will not only help the learners to understand the concept but also their applications in real life situations. The solutions for these topics have been explained with the help of detailed ray diagrams and practical activities so that the learner can get a clear perspective about the key ideas. The chapter also deals with concepts such as Sign Convention for Reflection by Spherical Mirrors, Mirror Formula and Magnification and how to calculate the positions, nature, and size of the image. The guided solutions given for the numerical asked for these topics further help the learner to master the fundamental principles taught. These topics have been explained through ray diagrams practical activities and solved numerical. The solutions given for the questions asked related to these topics will help the students to understand the concept better.

A concave lens has focal length of 20 cm. At what distance from the lens a 5 cm tall object be placed so that it forms an image at 15 cm from the lens? Also calculate the size of the image formed. An object 50 cm tall is placed on the principal axis of a convex lens. Its 20 cm tall image is formed on the screen placed at a distance of 10 cm from the lens.

Very Short Answer Type Questions. Short Answer Type Questions — I. Xam Idea Class 10 Science Solutions is a complete exam preparation textbook for senior secondary classes. Design in accordance with the latest revised CBSE syllabus as well as examination pattern, this Solution aid students in getting higher marks in the exam. The Class 10 Science Solutions are developed by the SelfStudys expert and skilled team of teachers who have huge experience, covering the entire syllabus of the exam. Scoring high marks in all subject will become easy if you adopt the correct approach and make your fundamentals strong in the subject.

#### Light: Reflection and Refraction - Important Questions and Solutions Summary

List four characteristics of the images formed by plane mirrors. CBSE 2. Draw a ray diagram to show the path of the reflected ray corresponding to an incident ray which is directed parallel to the principal axis of a convex mirror. Mark on it the angle of incident and the angle of reflection CBSE 3. A spherical mirror produces an image of magnification -1 on a screen placed at a distance of 50 cm from the mirror.

These multiple choice type questions are perfect to revise all the fundamental concepts occurring in the chapter and prepare the objective type questions for CBSE Class 10 Science Exam An object is placed 20 cm in front of a plane mirror. The mirror is moved 2 cm towards the object. The distance between the positions of the original and final images seen in the mirror is:. A ray of light that strikes a plane mirror PQ at an angle of incidence of 30 o , is reflected from the plane mirror and then strikes a second plane mirror QR placed at right angles to the first mirror. The angle of reflection at the second mirror is:. An object is placed at mm in front of a concave mirror which produces an upright image erect image.

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Стратмор нередко пользовался этой привилегией: он предпочитал творить свое волшебство в уединении. - Коммандер, - все же возразила она, - это слишком крупная неприятность, и с ней не стоит оставаться наедине. Вам следовало бы привлечь кого-то. - Сьюзан, появление Цифровой крепости влечет за собой очень серьезные последствия для всего будущего нашего агентства.

Я думал, вы из городского… хотите заставить меня… - Он замолчал и как-то странно посмотрел на Беккера.

Потом он подумал о вирусе, попавшем в ТРАНСТЕКСТ, о Дэвиде Беккере в Испании, о своих планах пристроить черный ход к Цифровой крепости. Он так много лгал, он так виноват. Стратмор знал, что это единственный способ избежать ответственности… единственный способ избежать позора. Он закрыл глаза и нажал на спусковой крючок.

Панк замер. Его парализовало от страха. - Adonde fue? - снова прозвучал вопрос.

Идиот! - в сердцах воскликнула .

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1. Visitinghobart 10.04.2021 at 02:53

Question 1: Define the principal focus of a concave mirror.

2. Evelio P. 16.04.2021 at 03:39

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