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1 Marks Questions

CBSE Important Questions for class X Science Chapter 10 Light-Reflection and Refraction  it includes important questions from NCERT solution text book prescribes for class 10 Science. An object is kept at a distance more than twice the focal length (F) from a concave mirror. The distance the image formed. A ray passing through the centre of curvature of a concave mirror is inclined at an angle a to its principal axis. The angle of reflection for this ray equals.

2 Marks Questions

CBSE Important Questions for class X Science Chapter 10 Light-Reflection and Refraction it includes important questions from NCERT solution text book prescribes for class 10 Science. A beam of rays, parallel to the principal axis, is incident on a convex mirror. Show diagrammatically, the path of these rays after reflection from the mirror. With respect to air the refractive index of ice is 1.31 and that of rock salt is 1.54. Calculate the refractive index of rock salt with respect to ice?

3 Marks Questions

CBSE Important Questions for class X Science Chapter 10 Light-Reflection and Refraction  it includes important questions from NCERT solution text book prescribes for class 10 Science. An object is placed at a distance of 12 cm in front of a concave mirror. It forms a real image four times larger than the object. Calculate the distance of the image from the mirror. Draw a ray diagram to represent the nature, position and size of the image formed by a convex lens for the object placed

5 Marks Questions

CBSE Important Questions for class X Science Chapter 10 Light-Reflection and Refraction it includes important questions from NCERT solution text book prescribes for class 10 Science. A convex lens has a focal length of 10 cm. At what distance from the lens should the object be placed so that it forms a real and inverted image 20 cm. away from the lens? What would be the size of the image formed if the object is 2 cm high? With the help of a ray diagram show the formation of the image by the lens in this case?



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