JEE Main 2021 Physics question
A galaxy is moving away from the earth at a speed of 286 . The shift in the wavelength of a red line at 630 nm is x m. The value of x, to the nearest integer, is. [Take the value of speed of light c, as ]
Answer: 6
A galaxy is moving away from the earth at a speed of 286 . The shift in the wavelength of a red line at 630 nm is x m. The value of x, to the nearest integer, is. [Take the value of speed of light c, as ]