Astronomy Unit 1.3 - Measurements of the Sun

Astronomy Unit 1.3 - Measurements of the Sun

12th Grade

10 Qs

quiz-placeholder

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Astronomy Unit 1.3 - Measurements of the Sun

Astronomy Unit 1.3 - Measurements of the Sun

Assessment

Quiz

Physics

12th Grade

Hard

Created by

Elizabeth Schubert

Used 1+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is an arcsecond?

1/360 of a degree

1/3600 of a degree

1/60 of a degree

1/600 of a degree

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a black body in astronomical terms?

A type of star

A perfect reflector of all wavelengths of radiation

A perfect emitter and absorber of all wavelengths of radiation

A dark region of space

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the Astronomical Unit (AU) represent?

The distance from the Earth to the Moon

The distance from the Earth to the Sun at its closest point

The average distance between the Earth and the Sun

The distance from the Earth to the edge of the Solar System

4.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

How did Eratosthenes estimate the circumference of the Earth?

By measuring the distance between two cities

By measuring the angle of a shadow in one city and the distance to where the sun was directly overhead

By calculating the distance the Earth travels in one day

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the size of the Sun determined?

By measuring the temperature of the Sun's core

By calculating the distance from the Earth to the Sun

By using the size of an AU and the proportion of the sky the Sun occupies in arcseconds

By observing the Sun's diameter during a solar eclipse

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the temperature of the Sun, found using the spectrum of black body radiation, indicate?

The age of the Sun

The size of the Sun

The distance of the Sun from Earth

The radiation emitted by the Sun depending only on its temperature

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The graph shows how the intensity of different wavelengths of radiation from a hot object varies with temperature. What can NOT be concluded from the graph about how the distribution of the intensity of radiation from an object changes as the temperature of the object increases?

the intensity of every wavelength increases

the shorter the wavelength the more rapid the increase in intensity

the peak intensity occurs at shorter wavelength

the intensity of every wavelength decreases

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