CUET Preparation Today
Two electromagnetic waves have the frequencies as 4 × 1014 Hz and 8 × 1014 Hz. The ratio of their speeds in air is : |
1 : 2 1 : 4 1 : 1 2 : 1 |
1 : 1 |
The correct answer is Option (3) → 1 : 1 Speed of all electromagnetic wave is same and is equal to $3×10^8m/s$. |
