Practice The microscope - 9.7.1 | 9. RAY OPTICS AND OPTICAL INSTRUMENTS | CBSE 12 Physics Part 2
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What type of lens is used in a simple microscope?

💡 Hint: Think about the kind of lens that focuses light to a point.

Question 2

Easy

Define virtual image.

💡 Hint: Consider how we perceive images through lenses.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What type of lens is primarily used in a simple microscope?

  • Concave
  • Convex
  • Flat

💡 Hint: Think about how light is focused through a lens.

Question 2

True or False: A virtual image can be displayed on a screen.

  • True
  • False

💡 Hint: Consider the definition of virtual images.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

If a compound microscope has an objective lens of 2 cm and an eyepiece of 5 cm, calculate the total magnification when the final image is at infinity.

💡 Hint: Remember to use the relationship for total magnification involving both lenses.

Question 2

Design a microscope to achieve a magnification of 10 while ensuring the object is 5 cm from the objective. What focal length must the eyepiece have?

💡 Hint: Revisit your formulas for magnification and ensure unit consistency.

Challenge and get performance evaluation