User Account

All Pages

What is the relative luminosity of a star

Assignment Help Science
Reference no: EM131127430

What is the relative luminosity (in solar units) of a star with the same surface temperature as the Sun but

(a) only one-tenth the radius?

(b) twice the radius?

(c) What is the relative luminosity of a star which is the same size as the Sun but has twice the surface temperature (11600 K, or 12000 K)?

(d) only one-half the surface temperature (2900 K)?

(e) Finally, what is the relative luminosity of a star with one hundred times the Sun's radius, but only one-half the surface temperature (2900 K)?

(f) only one-hundredth its size, but twice the surface temperature (11600 K, or 12000 K)?

Reference no: EM131127430

Questions Cloud

A stabilized precision rate table use a precision tachometer : A stabilized precision rate table uses a precision tachometer and a DC direct-drive torque motor, as shown in Figure P10.5. We want to maintain a high steady-state accuracy for the speed control.
Contract by the doctrine of commercial frustration : Pate, a contactor, agreed with the city of Kiteville to construct a golf course for the amount of $230,329.88. After Pate had completed all the clearing and dirt work, a torrential rainfall of 12.4 inches occurred in a ten-hour period. It will cost $..
Using a lead network compensator : A stabilized precision rate table uses a precision tachometer and a DC direct-drive torque motor, as shown in Figure P10.5. We want to maintain a high steady-state accuracy for the speed control.
Real estate broker contracted to sell a peice of land : A real estate broker contracted to sell a peice of land to Marilyn Curry. At her request, the contract sates, "This contact is contingent upon the buyer obtaining a rezoning for a mobile home park and campground. This contract is to be voided if the ..
What is the relative luminosity of a star : What is the relative luminosity (in solar units) of a star with the same surface temperature as the Sun but only one-tenth the radius
Explain is this statement true false or uncertain : “Human fear is the source of stock market crashes, so these crashes indicate that expectations in the stock market cannot be optimal.” Is this statement true, false, or uncertain? Explain your answer.
The income statement for the current year : The adjusting entry for accrued fees was omitted at March 31, the end of the current year. Indicate which items will be in error, because of the omission, on
A chemical reactor process whose production rate : A chemical reactor process whose production rate is a function of catalyst addition is shown in block diagram form in Figure P10.7 [10]. The time delay is T = 50 s, and the time constant τ is approximately 40 s.
What is the surface area of the filament : A light bulb filament has an emissivity of 0.29. At a temperature of 2790 K, the filament radiates 55 W of power. What is the surface area of the filament? ___ m^2

Reviews

Write a Review

Science Questions & Answers

  Journal of pharmaceutical sciences

This journal is a scientific publication of Indian Pharmaceutical Association and highlights various bright points of it.

  Optical fibres

This document discuss about the main attributes and characteristics of optical fibres.

  Micro organisms

This project report reveals the fact and proves a specific objective mentioned to be studied upon.

  Describing histology of an organ

The discussion of the technique should include a literature review on the evolution of the technique.

  Interpret the sensitivity of mammography

Calculate and interpret the sensitivity of mammography. Diagnostic test with Sensitivity 50%, Specificity 50% and prevalence 50%. Crude mortality rate. Damage caused by motor vehicle accidents.

  Discuss the role that science plays in your daily life

Role that science plays in your daily life and Integrity, Intensity, Innovation, and involvement in scientific field

  Prepare a flexible budget gator divers

Prepare a Flexible Budget Gator Divers is a company that provides diving services such as underwater ship repairs to clients in the Tampa Bay area.

  Neurological disorders

Designing a neuroprosthesis for the neurological disorders

  Complexity of cell surfaces

Lipid rafts provide another example of the complexity of cell surfaces in both their structural character and biologic functionality. Please explain the nature of these structures and their functionality.

  Exploratory activity on bird beaks

Describe how natural selection and evolution are demonstrated by this activity

  Spatial and temporal variation of heat content in the upper

In this study the temporal and spatial variation of heat content in the upper 70m layer of the Arabian Sea was for a period of 1991 to 2008 have been attempted.

  Earthquake databases

Earthquake Databases

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +91-977-207-8620

Phone: +91-977-207-8620

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd