NEET 2010 Physics question

The electric field of an electromagnetic wave in free space is given by V/m, where and are in seconds and metres respectively. It can be inferred that (i) the wavelength is 188.4 m. (ii) the wave number is 0.33 rad/m. (iii) the wave amplitude is 10 V/m. (iv) the wave is propagating along direction. Which one of the following pairs of statements is correct ?

• (1)(iii) and (iv)
• (2)(i) and (ii)
• (3)(ii) and (iii)
• (4)(i) and (iii)Correct