7th Class Science Light Question Bank Light

  • question_answer
    DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 1 When a narrow beam of white light (sunlight or torch light) is passed through a triangular glass prism, it splits into a band of seven colours. The seven colours are in order violet, indigo, blue, green, yellow, orange and red. The red colour is deviated the least while the violet colour is deviated the most. The colour sequence can be remembered by the acronym VIBGYOR. Dispersion of white light into seven colours the phenomenon of splitting of white light into its component colours on passing through a refracting medium such as a glass prism is called dispersion of light. The pattern of the colored bands obtained on the screen is called spectrum. Choose the correct statements:

    A) The sunlight is white

    B) The sunlight consists of five colours

    C) The sunlight consists of seven colours

    D) Both (a) and (c)

    Correct Answer: D

    Solution :

    Both (a) and (c)


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