Which of the following has the longest wave length?

Which of the following has the highest frequency?

Which of the following is/are the properties of electromagnetic waves?

1) All electromagnetic waves have a speed of 3.0 x 10⁸ m/s

2) All electromagnetic waves are transverse waves.

3) All electromagnetic waves can be seen by the naked eye.

Which of the following is/are the properties of electromagnetic waves?

1          All electromagnetic waves can be reflected and refracted.

2          All electromagnetic waves carry energy.

3          All electromagnetic waves carry charges.

Which of the following options lists the members of the electromagnetic spectrum in order of increasing wavelength?