Teachoo Quiz

Science Human Eye and Colorful World Class 10 MCQ and Assertion Questions

Short Quiz · Class 10 · Science · CBSE

Preparing for CBSE

Chapter 10 Class 10 - Human Eye and Colourful World | 5 questions | about 4 minutes

Practise Human Eye and Colorful World Class 10 with Teachoo's Short Quiz (Class 10 · Science · CBSE). Practise these questions in a free interactive quiz with answer feedback.

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Question 1 of 5
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Question 1 of 5
Assertion (A): Sunlight reaches us without dispersion in the form of white light and not as its components.
Reason (R): Dispersion takes place due to variation of refractive index for different wavelengths but in vacuum the speed of light is independent of wavelength and hence vacuum is a non-dispersive medium.
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Question 2 of 5
NCERT Exemplar
A prism ABC (with BC as base) is placed in different orientations. A narrow beam of white light is incident on the prism as shown in Figure 11.1. In which of the following cases, after dispersion, the third colour from the top corresponds to the colour of the sky?
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Question 3 of 5
Assertion (A): A white light on passing through prism splits into its component colours as such that the red light emerges nearest to the base of the prism.
Reason (R): Wavelength of red light is more than other component colours and hence, red light deviates least.
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Question 4 of 5
NCERT Exemplar
At noon the sun appears white as
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Question 5 of 5
CBSE Board Exam 2017
Study the following ray diagram:
In this diagram, the angle of incidence, the angle of emergence and the angle of deviation respectively have been represented by
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