Home
Class 12
PHYSICS
Light energy emitted by star is due to...

Light energy emitted by star is due to

A

breaking of nuclei

B

joining of nuclei

C

burning of nuclei

D

reflection of solar light

Text Solution

Verified by Experts

The correct Answer is:
b
Light energy emitted by stars is due to fusion of light nuclei
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • NUCLEI

    NCERT FINGERTIPS|Exercise Higher Order Thinking Skills|8 Videos

  • NUCLEI

    NCERT FINGERTIPS|Exercise NCERT Exemplar|7 Videos

  • NUCLEI

    NCERT FINGERTIPS|Exercise Radioactivity|42 Videos

  • MOVING CHARGES AND MAGNETISM

    NCERT FINGERTIPS|Exercise Assertion And Reason|15 Videos

  • PRACTICE PAPPER

    NCERT FINGERTIPS|Exercise Practice Paper 3|50 Videos

Similar Questions

Explore conceptually related problems

The light emitted by firefly is due to

The maximum energy emitted by sun is at 4753 A^(0) when the temperature is 6050K. The temperature of star, which will emit maximum energy at 9506 A^(0) , Will be

Knowledge Check

  • If the wavelength of light emitted by a star is shifted towards red end, then the star is -

    A
    going away from earth
    B
    going away from earth
    C
    stationary
    D
    none of the above

  • If the shift of wavelength of light emitted by a star is towards viloet, then this shows that star is

    A
    stationary
    B
    moving towards earth
    C
    moving away from earth
    D
    Information is incomplete

  • A star is receding from earth with a velocity 3 xx 10^(6) m//s . If the actual wavelength of the light emitted by the star is lambda and Delta lambda is the displacement in wavelength as observed on earth then Delta lambda : lambda is -

    A
    `1 : 3 xx 10^(6)`
    B
    ` 1 : 10^(2)`
    C
    `10^(3) : 1`
    D
    `10^(2) : 1`

    • Similar Questions

    Explore conceptually related problems

    A star is moving away from an observer with a speed of 500 kms^(-1) .Calculate the Doppler shift if the wavelength of light emitted by the star is 6000 Å .

    The inexhaustible source of energy of the stars is due to

    The inexhaustible source of energy of the stars is due to

    The inexhaustible source of energy of the stars is due to

    A star behaves like perfeact Black body emitting radiant energy The ratio of radiant energy emitted per sec by this star to that emitted by an another star having having 8times the radius of the former but having Kelvin temperature one fourth of the former is .

    Home
    Profile