The Vividh Bharati station of All India Radio, Delhi, broadcasts on a frequency of 1,368 kHz (kilohertz). The wavelength of the electromagnetic radiation emitted by the transmitter and the part of the electromagnetic spectrum does it belong are :
1. | 319.3, Microwave | 2. | 219.3, Radiowave |
3. | 219.3, Ultraviolet Wave | 4. | 249.3, Radiowave |
The frequency of one photons is 5 × 1014 Hz. The energy of one mole of photons of radiation is :
1. 177.51 kJ mol–1
2. 188.51 kJ mol–1
3. 199.51 kJ mol–1
4. 291.61 kJ mol–1