Practice Telescope - 9.7.2 | 9. RAY OPTICS AND OPTICAL INSTRUMENTS | CBSE 12 Physics Part 2
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Telescope

9.7.2 - Telescope

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What are the main components of a telescope?

💡 Hint: Think about the parts that work together in a telescope.

Question 2 Easy

What is the purpose of the objective lens?

💡 Hint: Consider what happens to light as it enters a telescope.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does the objective lens do in a telescope?

Captures light
Magnifies image
Creates color distortion

💡 Hint: Think about the first step in how telescopes work.

Question 2

Reflecting telescopes use which of the following?

True
False

💡 Hint: Recall the types of telescopes we discussed.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Calculate the focal length required for an objective lens if a telescope needs to have a magnifying power of 50 and the eyepiece has a focal length of 2 cm.

💡 Hint: Use the magnification formula for telescopes.

Challenge 2 Hard

Discuss the practical limitations of constructing large refracting telescopes in comparison to reflecting telescopes.

💡 Hint: Think about the balance between size and image quality.

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