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CBSE Class 10 Answered

State three characteristics of the image formed by a convex lens when the object is close to it.
Asked by asifmd2k9 | 06 Feb, 2022, 08:50: PM
answered-by-expert Expert Answer
When an object is placed close to convex lens (i.e. between optical centre and focus of convex lens) the image formed is virtual, erect and magnified. 
Answered by Shiwani Sawant | 07 Feb, 2022, 11:40: AM

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CBSE 10 - Physics
The power of convex lens of focal length 20 cm is
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Asked by varma.renu9481 | 17 Mar, 2023, 06:28: PM
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CBSE 10 - Physics
A lens of focal length 12cm forms an erect image three times the size of the object. What is the distance between the object and image? 
Asked by bhu.joshi54 | 14 Jun, 2022, 09:21: PM
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CBSE 10 - Physics
Please answer this  
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Asked by kuppusamybose46 | 06 Mar, 2022, 05:16: PM
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CBSE 10 - Physics
State three characteristics of the image formed by a convex lens when the object is close to it.
Asked by asifmd2k9 | 06 Feb, 2022, 08:50: PM
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CBSE 10 - Physics
Explain about lenses
Asked by Roopareddy9844 | 27 Nov, 2021, 06:20: PM
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CBSE 10 - Physics
Why is a convex lens with smaller focal length and not a longer one used as a magnifcation glass
Asked by Trisha Gupta | 10 Oct, 2021, 03:27: PM
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CBSE 10 - Physics
A 4.0 cm tall object is placed perpendicular ( e.at 90) to the principal axis of a convex lens of food length 10 cm . The distance of the object from the lens is 15cm. Find the math, position and size of the image.Also find its magnification.
Asked by Jethanleapon | 03 Oct, 2021, 07:35: PM
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CBSE 10 - Physics
Why is object placed between 2f1 and f1 in a convex lens projector ?
Asked by pras.rangi | 26 Jul, 2021, 09:06: AM
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CBSE 10 - Physics
 35. A student focuses the image of a candle flame, placed at about 2 m from a convex lens of focal length 10 cm, on a screen. After that he moves gradually the flame towards the lens and each time focuses its image on the screen. (A) In which direction does he move the lens to focus the flame on the screen? (B) What happens to the size of the image of the flame formed on the screen? (C) What difference is seen in the intensity (brightness) of the image of the flame on the screen? (D) What is seen on the screen when the flame is very close (at about 5 cm) to the lens?
Asked by cskdhoni7ipl | 21 Mar, 2021, 07:41: PM
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CBSE 10 - Physics
How many types of image forms due to lenses ? What are those ? Mention the differences
Asked by abdibnzubair | 11 Dec, 2020, 06:48: PM
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