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