Home
Class 11
PHYSICS
The colour of a star indicates its...

The colour of a star indicates its

A

temperature

B

velocity

C

size

D

length

Text Solution

Verified by Experts

The correct Answer is:
A
From Wein's displacement law, we have
`lambda_(m)T =` constant
where `lambda_(m)` is maximum wavelenght, T is absolute temperature. That means as the temperature of the black body reises, the maximum energy emitted shifts towards shorter wavelength. Hence, star appering raddish has the lowest temperature and that appering bluish has the hightest temperature.
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • THERMAL PROPERTIES OF MATTER

    A2Z|Exercise Chapter Test|30 Videos

  • THERMAL PROPERTIES OF MATTER

    A2Z|Exercise NEET Questions|47 Videos

  • ROTATIONAL DYNAMICS

    A2Z|Exercise Chapter Test|29 Videos

  • UNIT, DIMENSION AND ERROR ANALYSIS

    A2Z|Exercise Chapter Test|28 Videos

Similar Questions

Explore conceptually related problems

A solution changes the colour of turmeric indicator from yellow to red . The solution is

The colour of a star depends upon its

Knowledge Check

  • The colour of a star is an indication of its

    A
    size
    B
    temperature
    C
    weight
    D
    distance

  • The colour of a star is an Indication of its

    A
    Distance from the sun
    B
    Luminosity
    C
    Distance from the earth
    D
    Temperature

  • The colour of a star is a measure of its .

    A
    age
    B
    temperature
    C
    size
    D
    distance from the earth

    • Similar Questions

    Explore conceptually related problems

    A certain solution does not change the colour of any indicator. This solution is most likely to be :

    Yellow colour of the flame indicates

    Colour of a star depends upon

    An acid indicator is represented by Hl_(n).(K_(a)=10^(-5)) . The range of change of colour for the indicator is

    The colours of stars depend on their

    Home
    Profile