Class 7 Science Exam-concept Based

16 Questions | Total Attempts: 90

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7th Grade Science Quizzes & Trivia

The class 7 Science exams quiz below tests on some basic light concepts studied in 7th grade. How good are you with this topic? The simplicity of the question structures makes it easy. All the best.


Questions and Answers
  • 1. 
    A polarizing filter is designed to  __________________
  • 2. 
    A packet, or bundle of light energy is called a(n) __________________
  • 3. 
    The band of colours visible in a rainbow is called:
  • 4. 
    The first part of photosynthesis is known as:
  • 5. 
    Light from a candle is not visible when it is seen through a narrow bent tube, because
  • 6. 
    The image formed by a plane mirror is inverted
    • A. 

      True

    • B. 

      False

  • 7. 
    A concave mirror always forms real image
    • A. 

      True

    • B. 

      False

  • 8. 
    Any polished or shining surface can act as mirror
    • A. 

      True

    • B. 

      False

  • 9. 
    A convex lens is thicker in the middle than at the edges
    • A. 

      True

    • B. 

      False

  • 10. 
    Out of convex mirror and concave mirror, the focus of convex mirror is situated behind it
    • A. 

      True

    • B. 

      False

  • 11. 
    The lens which feel thinner in the middle than at the edges
    • A. 

      Concave

    • B. 

      Convex

  • 12. 
    The lens known as diverging lens
    • A. 

      Concave

    • B. 

      Convex

  • 13. 
    The mirror which can form both real as well as virtual images
    • A. 

      Concave mirror

    • B. 

      Convex mirror

  • 14. 
    The lens known as magnifying glass
    • A. 

      Convex

    • B. 

      Concave

  • 15. 
    The large arc of seven colours VIBGYOR in the sky
    • A. 

      Rainbow

    • B. 

      Shadow

  • 16. 
    If the focal length of a concave mirror is 25cm. What is its radius of curvature?
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