Question 1
In an electron microscope, electrons are accelerated to great velocities. Calculate the wavelength of an electron traveling with a velocity of 7.0 × 10
3 kilometers per second. The mass of an electron is 9.1 × 10
–28 g.
◦ 1.0 × 10
–13 m
◦ 1.0 × 10
–10 m
◦ 1.0 × 10
–7 m
◦ 1.0 m
Question 2
In the following diagram of a wave
◦ (a) is amplitude and (b) is wavelength
◦ (a) is frequency and (b) is amplitude
◦ (a) is wavelength and (b) is frequency
◦ (a) is amplitude and (b) is frequency
◦ (a) is wavelength and (b) is amplitude