A A prism is used to refract white light B so it spreads out C in a continuous spectrum D No error ........

English Language (Defence) Error correction

Each item in this section has a sentence with three underlined parts labelled A, B and C. Read each sentence to find out whether there is any error in any underlined part and indicate your response on the Answer Sheet against the corresponding letter i.e., A or B or C. If you find no error, your response should be indicated as D.

A: A prism is used to refract white light

B: so it spreads out

C: in a continuous spectrum.

D: No error.

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Explanation:

The error is in the second part.
The given sentence means that since prism is used to refract white light, prism spreads out in a spectrum which is not the case. That should be used between so and it to indicate that it is the light that spreads out and a prism is used to refract it in order to spread the light in a continuous spectrum.