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Step by step text solution for What is a lens? Distinguish between a convex lens and a concave lens. Which of the two is a converging lens: convex lens or concave lens? by PHYSICS experts to help you in doubts & scoring excellent marks in Class 10 exams.
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LAKHMIR SINGH & MANJIT KAUR-REFRACTION OF LIGHT-Exercise
- State any two uses of convex lenses.
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- Fill in the following blanks with suitable words: a) Parallel rays ...
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- What is a lens? Distinguish between a convex lens and a concave lens. ...
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- a) Explain with the help of a digaram, why the convex lens is also cal...
02:57
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- a) Explain with the help of a diagram, why the concave lens is also ca...
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- Draw a ray diagram to show the formation of a real magnified image by ...
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- Describe with the help of a ray-diagram, the formation of image of a f...
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- Descibe with the help of a ray diagram the nature, size and position o...
03:07
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- An object is placed at a distance equal to 2f in front of a convex len...
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- Describe with the help of a ray-diagram, the size, nature and position...
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- Describe with the help of a ray diagram the nature, size and position ...
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- a) What type of lens is shown in the diagram on the right? What will h...
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- Where must the object be placed for the image formed by a converging l...
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- Draw a diagram to show how a converging lens held close to the eye act...
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- How would you find the focal length of a convex lens rapidly but appro...
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- a) With the help of a labelled diagram explain how a convex lens conve...
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- a) With the help of a labelled diagram, explain how a concave lens div...
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- Draw ray diagrams to represent the nature, position and relative size ...
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- a) An object is placed well outside the principle focus of a convex le...
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- a) Explain what is meant by a virtual, magnified image. b) Draw a ra...
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