Frequeny of star moving away from earth with a speed of 5 x 10⁷ m/s appear to be 6.4 x 10¹⁴ Hz. Frequency of star is_________
A. 7.6 x 10¹⁴ Hz
B. 6.4 x 10¹⁴ Hz
C. 8.2 x 10¹⁴ Hz
D. 5 x 10¹⁴ Hz
Answer:A
Frequeny of star moving away from earth with a speed of 5 x 10⁷ m/s appear to be 6.4 x 10¹⁴ Hz. Frequency of star is_________
A. 7.6 x 10¹⁴ Hz B. 6.4 x 10¹⁴ Hz C. 8.2 x 10¹⁴ Hz D. 5 x 10¹⁴ Hz