मराठी
तामिळनाडू बोर्ड ऑफ सेकेंडरी एज्युकेशनएस.एस.एल.सी. (इंग्रजी माध्यम) इयत्ता १०

Where should an object be placed so that a real and inverted image of the same size is obtained by a convex lens?

Advertisements
Advertisements

प्रश्न

Where should an object be placed so that a real and inverted image of the same size is obtained by a convex lens?

पर्याय

  • f

  • 2f

  • infinity

  • between f and 2f

MCQ
Advertisements

उत्तर

2f

Explanation:

Convex Lens Properties: A convex lens can produce both real and virtual images depending on the position of the object relative to the focal length F and twice the focal length 2F.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 2: Optics - Evaluation [पृष्ठ २९]

APPEARS IN

सामाचीर कलवी Science [English] Class 10 SSLC TN Board
पाठ 2 Optics
Evaluation | Q I. 2. | पृष्ठ २९

संबंधित प्रश्‍न

A lens forms an upright and diminished image of an object when the object is placed at its focal point. Name the lens and draw a ray diagram to show the image formation.


Draw a ray diagram to show how a converging lens can form an image of the sun. Hence give a reason for the term ‘burning glass’ for a converging lens used in this manner.


A lens forms an inverted image of an object. What is the nature of the image real or virtual?


An object is placed at a distance 2f from a convex lens of focal length f. The size of the image formed is ______ that of the object.


An object is placed at a distance 5 cm from a convex lens of focal length 10 cm. The image formed is virtual, upright and _____.


For the object placed between the optical centre and focus of a convex lens, the image is ______.


Which of the following lens would you prefer to use while reading small letters found in a dictionary?


An object is placed at a distance 20cm from a convex lens of focal length 10cm. Find the image distance and nature of the image.


Complete the following table based on image formation by convex lens:

Position of Object Position of Image Nature of Image
At infinity (a) ______ Real and inverted and highly diminished image
Beyond 2F1 (b) ______ (c) ______
At 2F1 (d) ______ Real, inverted, same size (as object) image
Between F1 and 2F1 Beyond 2F2 (e) ______
At focus F1 (f) ______ Real, inverted and highly enlarged image

A lens forms an upright and magnified image of an object. Draw a labelled ray diagram to show the image formation.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×