1) A type of energy embodied in oscillating electric and magnetic fields is called
- A) infrared radiation.
- B) microwave radiation.
- C) magnetism.
- D) electricity.
- E) electromagnetic radiation.
2) The vertical height of a wave is called
- A) wavelength.
- B) amplitude.
- C) frequency.
- D) area.
- E) median.
3) The number of cycles that pass through a stationary point is called
- A) wavelength.
- B) amplitude.
- C) frequency.
- D) area.
- E) median.
4) The distance between adjacent crests is called
- A) wavelength.
- B) amplitude.
- C) frequency.
- D) area.
- E) median.
5) Which of the following visible colors of light has the highest frequency?
- A) green
- B) red
- C) blue
- D) yellow
- E) orange
6) Which of the following visible colors of light has the longest wavelength?
- A) blue
- B) green
- C) yellow
- D) red
- E) violet
7) Which of the following colors of electromagnetic radiation has the shortest wavelength?
- A) blue
- B) violet
- C) orange
- D) green
- E) yellow
8) Which of the following types of electromagnetic radiation has the lowest frequency?
- A) yellow
- B) blue
- C) orange
- D) green
- E) purple
9) A sunburn is caused by overexposure to ________ radiation.
- A) ultraviolet
- B) gamma
- C) microwave
- D) x-ray
- E) radio
10) ________ is/are used to image bones and internal organs.
- A) Ultraviolet light
- B) Gamma rays
- C) Microwaves
- D) X-rays
- E) Radio waves
11) When waves of equal amplitude from two sources are out of phase when they interact, it is called
- A) destructive interference.
- B) diffraction.
- C) constructive interference.
- D) effusion.
- E) amplitude.
12) When waves of equal amplitude from two sources are in phase when they interact, it is called
- A) destructive interference.
- B) diffraction.
- C) constructive interference.
- D) effusion.
- E) amplitude.
13) Calculate the wavelength (in nm) of the blue light emitted by a mercury lamp with a frequency of 6.88 × 1014 Hz.
- A) 229 nm
- B) 436 nm
- C) 206 nm
- D) 485 nm
- E) 675 nm
14) Calculate the energy of the green light emitted, per photon, by a mercury lamp with a frequency of 5.49 × 1014 Hz.
- A) 2.75 × 10-19 J
- B) 3.64 × 10-19 J
- C) 5.46 × 10-19 J
- D) 1.83 × 10-19 J
- E) 4.68 × 10-19 J
15) Calculate the frequency of the green light emitted by a hydrogen atom with a wavelength of 486.1 nm.
- A) 1.46 × 1014 s-1
- B) 6.86 × 1014 s-1
- C) 4.33 × 1014 s-1
- D) 6.17 × 1014 s-1
- E) 1.62 × 1014 s-1
16) Determine the shortest frequency of light required to remove an electron from a sample of Ti metal if the binding energy of titanium is 3.14 × 103 kJ/mol.
- A) 7.87 × 1015 Hz
- B) 4.74 × 1015 Hz
- C) 2.11 × 1015 Hz
- D) 1.27 × 1015 Hz
- E) 6.19 × 1015 Hz
17) What total energy (in kJ) is contained in 1.0 mol of photons, all with a frequency of 2.75 × 1014 Hz?
- A) 182 kJ
- B) 219 kJ
- C) 457 kJ
- D) 326 kJ
- E) 110 kJ
18) Calculate the wavelength of an electron (m = 9.11 × 10-28 g) moving at 3.66 × 106 m/s.
- A) 1.99 × 10-10 m
- B) 5.03 × 10-10 m
- C) 1.81 × 10-10 m
- D) 5.52 × 10-9 m
- E) 2.76 × 10-9 m
19) Calculate the wavelength of a baseball (m = 155 g) moving at 32.5 m/s.
- A) 7.60 × 10-36 m
- B) 1.32 × 10-34 m
- C) 2.15 × 10-32 m
- D) 2.68 × 10-34 m
- E) 3.57 × 10-32 m
20) Determine the velocity of a medicine ball (m = 10.0 kg) with a wavelength of
1.33 × 10-35 m.
- A) 8.81 m/s
- B) 12.3 m/s
- C) 2.21 m/s
- D) 4.98 m/s
- E) 6.44 m/s