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Which of the following does not work on ...

Which of the following does not work on the existence of atmospheric pressure ?

A

Rise of iodine solution in the glass tube of dropper

B

Rise of cold drink in a long plastic straw

C

Sticking of suction hook on the wall of a room

D

rise of mercury in glass tube of the thermometer

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The correct Answer is:
D
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LAKHMIR SINGH & MANJIT KAUR-FORCE AND PRESSURE.-EXERCISE
  1. If we release a magnet held in our hand, it falls to the ground. The f...

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  2. Which of the following force is utillised in reducing air pollution by...

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  3. The same force F acts on four different objects having the areas given...

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  4. Which of the following represent correct values for the normal atmosph...

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  5. Which of the following does not work on the existence of atmospheric p...

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  6. The magnitude of force is expressed in the unit of force called:

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  7. Which of the following change appreciably when a batsman hits a moving...

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  8. Which of the following is not an effect of force ?

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  9. Which of the following is not a non - contact force ?

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  10. Which of the following scientists gave the idea of the existance of gr...

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  11. Some mustard oil is kept in a beaker. It will exert pressure :

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  12. A pressure of 10 kPa acts on an area of 0.3 m^(2). The force acting on...

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  13. The magnitude of atmospheric pressure is equal to the pressure exerted...

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  14. The atmospheric pressure is usually measured in the unit of :

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  15. When a force of 5 N acts on a surface, it produces a pressure of 500 P...

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  16. Two tiny holes are made in a plastic bucket, one near the middle part ...

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  17. What is common in the working of the devices such as drinking straw, s...

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  18. A rocket has been fired upwards to launch a satellite in its orbit. Na...

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  19. One student says that water exerts pressure on the bottom of the bucke...

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  20. Name the forces acting on a plastic bucket containing water held above...

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