SSC General Science & Technology Sample Paper NCERT Sample Paper-2

  • question_answer
    A green leaf placed in a dark room is illuminated by red light. The leaf appears:

    A)  Green  

    B)  red

    C)  Yellow 

    D)  black

    Correct Answer: D

    Solution :

    [d] The leaf would appear black as green leaves absorbs all other lights than the green one. But in a room illuminated with red light it will absorb the red light too, reflecting no light waves so it will appear black.

You need to login to perform this action.
You will be redirected in 3 sec spinner