Home
Class 12
PHYSICS
A galaxy is moving away from the earth a...

A galaxy is moving away from the earth at a speed of `286kms^(-1)`. The shift in the wavelength of a red line at 630 nm is `x xx 10^(-10)m`. The value of x, to be the nearest integer, is .......... [Take the value of speed of light c, as `3 xx 10^(8) ms^(-1)]`

Text Solution

AI Generated Solution

Promotional Banner

Similar Questions

Explore conceptually related problems

A star is moving away from the obsever on the Earth with a speed of 400 km/s. What will be the Doppler shift if the wavelength of light emitted by the star is 5800 Å ?

A ball of mass 4kg, moving with a velocity of 10ms^(-1) , collides with a spring of length 8m and force constant 100Nm^(-1) . The length of the compressed spring is x m. The value of x, to the nearest integer, is ...........

Express the speed of light in meter per pico second (c=3xx10^(8)ms^(-1)) .

A star is moving towards the earth with a speed of 9 xx 10^(6) m//s . If the wavelength of a particular spectral line emitted by star is 600 nm , find the apparent wavelength.

The refractive index of glass is 1.5. Calculate the speed of light in glass. The speed of light in air is 3.0 xx 10^(8) ms^(-1) .

The speed of light in turpentine oil is 2 xx 10^(8) m//s . The absolute refractive index of turpentine oil is about "…................" . [Speed of light in vacuum ~~ 3 xx 10^(8) m//s ]

star emitting light of wavelength 5896 Å is moving away from the earth with a speed of 3600 km / sec . The wavelength of light observed on earth will ( c= 3 xx 10 ^(8) m//sec is the speed of light)

A star is moving towards the earth with a speed of 4 xx 10^(7) m//s . If the wavelength emitted by the star is 500 nm , what would be the change in wavelength received on earth ?

A star is moving away from the earth with a velocity of 100 km//s . If the velocity of light is 3 xx 10^(8) m//s then the shift of its spectral line of wavelength 5700 A due to Doppler effect is