The diagram shows a simple telescope which can be made in the laboratory - Edexcel - GCSE Physics - Question 1 - 2012 - Paper 1
Question 1
The diagram shows a simple telescope which can be made in the laboratory.
(a) Complete the sentence by putting a cross (✗) in the box next to your answer.
The type ... show full transcript
Worked Solution & Example Answer:The diagram shows a simple telescope which can be made in the laboratory - Edexcel - GCSE Physics - Question 1 - 2012 - Paper 1
Step 1
Complete the sentence by putting a cross (✗) in the box next to your answer.
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Answer
The type of lens used as the objective lens is B. converging. Converging lenses, commonly known as convex lenses, are used to focus light, which is essential for the function of a telescope.
Step 2
Complete the sentence by putting a cross (✗) in the box next to your answer.
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Answer
The image produced by the objective lens is D. upside down and bigger. A telescope produces an inverted image of distant objects because the light rays from an object converge and cross over after passing through the objective lens.
