1) What is the wavelength of the radio waves from a station broadcasting at 55.5 MHz? The speed of light is 3 10⁸ m/s.

The wavelength of the radio waves is ___________ m.

2). What is the frequency of blue light waves with a wavelength of 481 nm. The speed of light is 3 10⁸ m/s.

The frequency of blue light waves is __________ 10¹⁴ Hz.

3) Light with a wavelength of 430 nm is incident upon a double slit with a separation of 0.3 mm (310^-4 m). A screen is located 1.5 m from the double slit. At what distance from the center of the screen will the first bright fringe beyond the center fringe appear?

The first bright fringe will appear _______ cm beyond the center fringe.

4) Light with a wavelength of 470 nm is incident upon a double slit with a separation of 0.3 mm (310^-4 m). A screen is located 1.5 m from the double slit. At what distance from the center of the screen will the first bright fringe beyond the center fringe appear?

The first bright fringe will appear __________ cm beyond the center fringe.

5). Light with a wavelength of 610 nm is incident upon a double slit with a separation of 0.3 mm (0.310^-3 m). A screen is located 1.5 m from the double slit. At what distance from the center of the screen will the fourth dark fringe appear?

The fourth dark fringe will appear at a distance of ____________ mm.

6) When illuminated with light of 700 nm, the first dark fringe produced by a single slit lies a distance of 2.9 cm from the center of the screen placed 2.5 m from the slit. How wide is the slit?

The width of the slit is ___________ mm.