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What is meant by angular diameter of moo...

What is meant by angular diameter of moon ? What is its value?

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Verified by Experts

Angular diameter of moon is the angle
subtanded at a point on earth, by two
diametrically opposite ends of the moon. Its
value is about `0.5^@`.
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PRADEEP-PHYSICAL WORLD AND MEASUREMENT-Very short Answer Questions
  1. What is the smallest mass measured indirectly so far?

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  2. How are the pitch and least count of a spherometer related ?

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  3. What is meant by angular diameter of moon ? What is its value?

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  4. What is the order of mass fo uiverse.

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  5. Which technique is used for measuring age of rocks, fossils etc.

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  6. Are there more microseconds in a second than the number of seconds in ...

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  7. Express in scientific notation : (i) 13780 kg (ii) 0.00000523 s

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  8. What is the efficiency of time realisation in cesium atomic clocks ?

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  9. What is the difference between inertial mass and gravitational mass of...

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  10. Which is the world's most accurate clock ? What is its accuracy?

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  11. What is the order of age of the earth ?

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  12. Human life expectancy is of the order of

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  13. What is the order of mass of universe ?

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  14. What is the smallest mass measured indirectly so far?

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  15. Wlidt is the shortest time interval measured indirectly so far ?

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  16. Name the physical quantites having dimensions [M^1 L^2 T^(-2)].

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  17. Name two physical quantities which have dimesion [M^1L^(-1)T^(-2)].

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  18. How many times the unit of energy is affected when units of force and...

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  19. What are the dimensions of rate of flow?

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  20. Give two examples of non dimensional veriables.

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