Term 1 Five Marks Model Questions

9th Standard

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Science

Time : 01:30:00 Hrs
Total Marks : 50
    10 x 5 = 50
  1. Find the mass of an object weighing 98 N.

  2. During an experiment, a signal from a spaceship reached the ground station in five seconds. What was the distance of the spaceship from the ground station? The signal travels at the speed of light that is 3 × 108 ms-1 ?

  3. Derive the three equations of motion by graphical method

  4. Find the size, nature and position of image formed when an object of size 1 cm is placed at a distance of 15 cm from a concave mirror of focal length 10 cm.

  5. The radius of curvature of a convex mirror is 40 cm. Find its focal length  

  6. Write the differences between elements and compounds and give an example for each.

  7. Explain the postulates of Bohr’s atomic model

  8. Design an experiment to demonstrate hydrotropism.

  9. List the excretory organs of invertebrates in relation with the animals

  10. List out the generations of computer

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