MCQOPTIONS
Saved Bookmarks
| 1. |
A star emitting radiation at a wavelength of \[5000\,{AA}\] is approaching earth with a velocity of\[1.5\times {{10}^{6}}m/s\]. The change in wavelength of the radiation as received on the earth, is [CBSE PMT 1995] |
| A. | \[25\,\,{AA}\] |
| B. | Zero |
| C. | \[100\,\,{AA}\] |
| D. | \[2.5\,\,{AA}\] |
| Answer» B. Zero | |