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4 years ago Deepak Rock class 10 lakhmir singh reflection of light What type of image/images are formed by : (a) a convex mirror? (b) a concave mirror? 4 years ago Deepak Rock class 10 lakhmir singh reflection of light A mirror forms an image which is 30 cm from an object and twice its height. (a) Where must the mirror be situated? (b) What is the radius of curvature? (c) Is the mirror convex or concave? 4 years ago Deepak Rock class 10 lakhmir singh reflection of light If a concave mirror has a focal length of 10 cm, find the two positions where an object can be placed to give, in each case, an image twice the height of the object. 4 years ago Deepak Rock class 10 lakhmir singh reflection of light At what distance from a concave mirror of focal length 10 cm should an object be placed so that: (a) its real image is formed 20 cm from the mirror? (b) its virtual image is formed 20 cm from the mirror? 4 years ago Deepak Rock class 10 lakhmir singh reflection of light Between which two points of concave mirror should an object be placed to obtain a magnification of: (a) -3 (b) +2.5 (c) -0.4 4 years ago Deepak Rock class 10 lakhmir singh reflection of light An object is placed just outside the principal focus of concave mirror. Draw a ray diagram to show how the image is formed, and describe its size, position and nature. (b) If the object is moved further away from the mirror, what changes are there i... 4 years ago Deepak Rock class 10 lakhmir singh reflection of light A man holds a spherical shaving mirror of radius of curvature 60 cm, and focal length 30 cm, at a distance of 15 cm, from his nose. Find the position of image, and calculate the magnification. 4 years ago Deepak Rock class 10 lakhmir singh reflection of light A concave mirror produces a real image 1 cm tall of an object 2.5 mm tall placed 5 cm from the mirror. Find the position of the image and the focal length of the mirror. 4 years ago Deepak Rock class 10 lakhmir singh reflection of light An object is placed (a) 20 cm, (b) 4 cm, in front of a concave mirror of focal length 12 cm. Find the nature and position of the image formed in each case. 4 years ago Deepak Rock class 10 lakhmir singh reflection of light When an object is placed at a distance of 50 cm from a concave spherical mirror, the magnification produced is, -1/2 Where should the object be placed to get a magnification of, -1/5? 4 years ago Deepak Rock class 10 lakhmir singh reflection of light How far should an object be placed from the pole of a converging mirror of focal length 20 cm to form a real image of the size exactly 1/4 th the size of the object? 4 years ago Deepak Rock class 10 lakhmir singh reflection of light A bright object 50 mm high stands on the axis of a concave mirror of focal length 100 mm and at a distance of 300 mm from the concave mirror. How big will the image be? 4 years ago Deepak Rock class 10 lakhmir singh reflection of light A concave mirror produces three times enlarged virtual image of an object placed at 10 cm in front of it. Calculate the radius of curvature of the mirror. 4 years ago Deepak Rock class 10 lakhmir singh reflection of light An object of 5.0 cm size is placed at a distance of 20.0 cm from a converging mirror of focal length 15.0 cm. At what distance from the mirror should a screen be placed to get the sharp image? Also, calculate the size of the image. 4 years ago Deepak Rock class 10 lakhmir singh reflection of light A large concave mirror has a radius of curvature of 1.5 m. A person stands 10 m in front of the mirror. Where is the person’s image? 4 years ago Deepak Rock class 10 lakhmir singh reflection of light A dentist’s mirror has a radius of curvature of 3 cm. How far must it be placed from a small dental cavity to give a virtual image of the cavity that is magnified five times? 4 years ago Deepak Rock class 10 lakhmir singh reflection of light When an object is placed 20 cm from a concave mirror, a real image magnified three times is formed. Find : (a) the focal length of the mirror. 4 years ago Deepak Rock class 10 lakhmir singh reflection of light A concave mirror has a focal length of 4 cm and an object 2 cm tall is placed 9 cm away from it. Find the nature, position and size of the image formed. 4 years ago Deepak Rock class 10 lakhmir singh reflection of light An object 3 cm high is placed at a distance of 10 cm in front of a converging mirror of focal length 20 cm. Find the position, nature and size of the image formed. 4 years ago Deepak Rock class 10 lakhmir singh reflection of light Page 3 / 5 Prev 1 2 3 4 5 Next Share: Super Globals Requests: Server: Options and Features route: community use_home_url: url: https://eanshub.com/community/ pageid:187 default_groupid: 3 2022 How Can We Help? Δ Home About Us Contact Us Privacy Policy Term of Use Copyright © 2020 Eanshub All Rights Reserved
