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A diverging lens has a focal length of -15 cm. What is the nature of the image f

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Question: A diverging lens has a focal length of -15 cm. What is the nature of the image formed when an object is placed at 10 cm from the lens? (2023)

Options:

  1. Real and inverted
  2. Virtual and upright
  3. Real and upright
  4. Virtual and inverted

Correct Answer: Virtual and upright

Exam Year: 2023

Solution: 

A diverging lens always forms a virtual and upright image when the object is placed in front of it.

A diverging lens has a focal length of -15 cm. What is the nature of the image f

Practice Questions

Q1
A diverging lens has a focal length of -15 cm. What is the nature of the image formed when an object is placed at 10 cm from the lens? (2023)
  1. Real and inverted
  2. Virtual and upright
  3. Real and upright
  4. Virtual and inverted

Questions & Step-by-Step Solutions

A diverging lens has a focal length of -15 cm. What is the nature of the image formed when an object is placed at 10 cm from the lens? (2023)
  • Step 1: Identify the type of lens. The lens is a diverging lens.
  • Step 2: Note the focal length of the lens. The focal length is -15 cm (negative indicates it's a diverging lens).
  • Step 3: Determine the position of the object. The object is placed at 10 cm from the lens.
  • Step 4: Understand how a diverging lens works. A diverging lens always forms a virtual image when the object is in front of it.
  • Step 5: Conclude the nature of the image. Since the object is in front of the lens, the image formed is virtual and upright.
  • Lens Types – Understanding the difference between converging and diverging lenses, particularly how they form images.
  • Image Formation – The characteristics of images formed by lenses, including virtual vs. real images and their orientation.
  • Focal Length – The significance of focal length in determining the nature of the image produced by a lens.
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