Physics

1An electromagnetic wave has a frequency of 1 × 10⁸ Hz. Find its wavelength. (c = 3 × 10⁸ m/s)

2An electromagnetic wave has a frequency of 3 × 10¹⁸ Hz. Find its wavelength. (c = 3 × 10⁸ m/s)

3An electromagnetic wave has a frequency of 1 × 10⁶ Hz. Find its wavelength. (c = 3 × 10⁸ m/s)

4A rainbow is formed by dispersion of sunlight in raindrops.

5The electromagnetic waves used in mobile phone networks are ___.

6The electromagnetic waves with the highest frequency are

7A red object viewed in blue light appears

8Radio waves and gamma rays travel at the same speed in a vacuum.

9Microwaves are used for

10Dispersion of white light by a prism occurs because