Home
Class 12
PHYSICS
The suns angular diameter is measured to...

The suns angular diameter is measured to be `1920"` the distance of the sun from the earth is `1.496xx10^(11)m`. What is the diameter of the sun?

Text Solution

Verified by Experts

`d=alphaD` or `1.39xx10^9` m
Promotional Banner

Topper's Solved these Questions

  • UNITS AND MEASUREMENTS

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT SECTION A Objective (One option is correct )|50 Videos

  • UNITS AND MEASUREMENTS

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT SECTION B Objective (One option is correct )|45 Videos

  • UNITS AND MEASUREMENTS

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT (SECTION - D)|15 Videos

  • THERMODYNAMICS

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT (SECTION -D) (Assertion - Reason Type Questions)|10 Videos

  • WAVE OPTICS

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (Section-J (Aakash Challengers question))|1 Videos

Similar Questions

Explore conceptually related problems

The sun's angular diameter is measured to be 1920''. The distance of the sun from the earth is 1.496xx10^(11)m. What is the diameter of the sun?

The sun's angular diameter is measured to be 1920''. The distance of the sun from the earth is 1.496xx10^(11)m. What is the diameter of the sun?

A boy is trying to start a fire by focusing sunlight on a piece of paper using an equiconvex lens of focal length 10cm . The diameter of the sun is 1.39xx10^(9)m and its mean distance from the earth is 1.5xx10^(11)m . What is the diameter of the sun's image on the paper ?

What is the order of magnitude of the distance of the sun from the earth in SI unit?

What is the order of magnitude of the distance of the sun from the earth in SI unit?

The earth receives its surface radiation from the sun at the rate of 1400 W//m^(2) . The distance of the centre of the sun from the surface of the earth is 1.5 xx 10^(11) m and the radius of the sun is 7.0 xx 10^(8) m. Treating sun as a black body, it follows from the above data that its surface temeperature is

The radius of the sun is 0.75xx10^(8)m and its distance from the earth is 1.5xx10^(11)m . Find the diameter of the image of the sun formed by a lens of focal length 40 cm

The diameter of the sun is 1.4 X 10^9m and its distance from the earth is 1.5 X 10^11 m . Find the radius of the image of the sun formed by a lens of focal length 20 cm.

A saturn year is 29.5 times the earth year. How far is the saturn from the sun if the earth is 1.5xx10^(8) away from the sun?

When the sun is directly overhead, the surface of the earth receives 1.4 xx (10^3) W (m^-2) of sunlight. Assume that the light is monochromatic with average wavelength 500mn and that no light is absorbed in between the sun and the earth's surface. The distance between the sun and the earth is 1.5 xx (10^11) m. (a) Calculate the number of photons falling per second on each square metre of earth's surface directly below the sun. (b) How many photons are there in each cubic metre near the earth's surface at any instant? (c) How many photons does the sun emit per second?

AAKASH INSTITUTE ENGLISH-UNITS AND MEASUREMENTS-Try Yourself
  1. Write SI unit of angular momentum:

    Text Solution

    |

  2. What is the order of magnitude of second in a day ?

    Text Solution

    |

  3. The suns angular diameter is measured to be 1920" the distance of the ...

    Text Solution

    |

  4. The moon is observed from two diametrically opposite points A and B on...

    Text Solution

    |

  5. A drop of olive oil of radius 0.30 mm spreads into a nearly circular f...

    Text Solution

    |

  6. If the size of a nucleus (in the range of 10^(-15) to 10^(-14) m) is s...

    Text Solution

    |

  7. What is order of mass of a human?

    Text Solution

    |

  8. 10 drops of an oleic acid solution of concentration 1/400 cm^3 per cm^...

    Text Solution

    |

  9. If a human heart beats once in every 0.8 s, find the number of times i...

    Text Solution

    |

  10. If the average human life span were of the order 10^4 s, what would th...

    Text Solution

    |

  11. Two clocks are being tested againest a standard clock located in a nat...

    Text Solution

    |

  12. हम एक सरल लोलक कस दोलन - काल ज्ञात करते है । प्रयोग के क्रमिक मापनों म...

    Text Solution

    |

  13. The diameter of a wire as measured by a screw gauge was found to be 0....

    Text Solution

    |

  14. The least count of three instruments are 1 mm, 0.1 mm and 0.01 mm. Whi...

    Text Solution

    |

  15. If A =12.0 cm pm 0.1 cm and B 8.5 cm pm0.5 cm, find A + B

    Text Solution

    |

  16. If l(1) = (10.0 pm 0.1) cm and l(2) = (9.0 pm 0.1) cm , find the their...

    Text Solution

    |

  17. The error in the measurement of the radius of a sphere is 2%. What wil...

    Text Solution

    |

  18. The voltage across a lamp is (6.0 +- 0.1) V and the current passing th...

    Text Solution

    |

  19. The measured mass and volume of a body are 2.00 g and 5.0 cm^(3) respe...

    Text Solution

    |

  20. A Physical quantity P is given by P=(A^2sqrtB)/C, and the percentage e...

    Text Solution

    |