Which of the following statements about electromagnetic wave is / are correct ?1. X - rays in vacuum travel faster than light waves in vacuum.2. The energy of X - rays photon is greater than that of a light photon.3. Light can be polarised but X - rays cannot.Codes

• A. 1 and 2
• B. 2 and 3
• C. 1, 2 and 3
• D. Only 2