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What is meant by angular diameter of moo...

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

Text Solution

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-Conceptual Problem
  1. why is it convenient to express the distancek of stars in terms of lig...

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  2. Is the measure of and angle dependent on the unit of length?

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

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  4. Suggest a distance corresponding to each of the following order of len...

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  5. For a given base line, which will show a grater parallax - a distant s...

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  6. Draw a schematic arrangement of the Geiger Marsden experiment. How did...

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  7. If the velocity of light is taken as the unit of velocity and one year...

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  8. The screw of a spherometer moves by 4 mm. when its circular scale is g...

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  9. When circular scale of a screw gauge carrying 100 divisions is given f...

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  10. Mention some repetitive phenomena in nature which could serve as time ...

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

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  12. Do all physical quantities have dimensions? If no, name three physica...

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  13. Can a quantity having dimensions may have no units ?

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  14. Can a quantity have units, but still be dimensionless?

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  15. In different of systems of units, can a quantity have different dimens...

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  16. Can there be a physical quantity, which has no units and no dimensions...

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  17. Energy density and pressure have the same dimensions. Comment.

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  18. Match the physical quantities with dimehnsions expressed in disarray. ...

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  19. In the formula X = 3YZ^(2),X and Z have dimensions of capacitance and ...

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  20. The units of Planck's constant are the same as those of ……., which is ...

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