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Home
Class 11
PHYSICS
What is the role of physics in your dail...

What is the role of physics in your daily life?

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Text Solution

Verified by Experts

Physics has innumerable applicatiosn in our
daily life. For example, studey of electricity has
led to development of electrical appliances like
generator, motor, fans, heaters, coolers, air
conditioner etc. The electromagnetic waves are
used in radio, televison, radar, wireless
communications, telephons, mobiles, internet.
The discovery of silicon chip has revolutionised
computer industry. Radioactive isotopes are
being widely used in medicine, agriculture and
industry.
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PRADEEP-PHYSICAL WORLD AND MEASUREMENT-Short answer Questions 2 marks
  1. What is the role of physics in your daily life?

    03:23

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  2. What is the basic difference between classical Physics and Quantum Mec...

    02:58

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  3. What is the basic aim of science?

    01:16

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  4. What is the difference between physical and biological sciences?

    02:10

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  5. Who discovered the following (i) Absolute temperature (ii) Law of for...

    03:06

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  6. Fill in the blanks : (i) Lasers involve the process of …. (ii) Compute...

    Text Solution

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  7. Which of the following statements are ture/ false ? (i) Keplar discove...

    02:14

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  8. Why was science called natural philosophy in earlier days?

    01:03

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  9. Name three important discoveries of Physics, which have revolutionised...

    01:12

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  10. Comment on contribution of physics in the development of biological sc...

    02:53

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  11. Which of these is largest : astronomical unit, light year and par sec ...

    01:47

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  12. Name three units which can be used for measuring large masses.

    01:39

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  13. which unit can be used for measurement of very small masses ?

    01:33

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  14. How many a.m.u make 1kg ?

    02:13

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  15. What is common between bar and torr ?

    02:27

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  16. Why are length, mass and time chosen as fundamental quantites in mecha...

    01:36

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  17. SI is reational system of units while MKS system is not rational. Why ...

    04:09

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  18. Why is platinum iridium alloy used in making prototype metre and kilog...

    01:28

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  19. The velocity upsilon of a particle is given by upsilon = A t^2 +Bt. Wh...

    01:10

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  20. Which of the following has the same dimension as Planck's constant : T...

    04:04

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