Learn diffraction of waves MCQs, online A level physics MCQ for test prep. Superposition of waves quiz has multiple choice questions (MCQ), diffraction of waves quiz questions and answers as effect of diffraction is greatest if waves pass through a gap with width equal to, answer key help with choices as frequency, wavelength, amplitude and wavefront problem solving for viva, competitive exam preparation, interview questions. Free study guide is to practice diffraction of waves quiz online with MCQs to practice test questions with answers.

MCQ. Effect of diffraction is greatest if waves pass through a gap with width equal to

1. frequency
2. wavelength
3. amplitude
4. wavefront

B

MCQ. Visible light has wavelength of

1. 5 × 10-7 m
2. 3 × 108 m
3. 6 × 10³ m
4. 4 × 104 m

A

MCQ. For listening radio in cars, external radio aerials are used because

1. radio waves have shorter wavelength
2. radio waves have longer wavelength
3. radio waves cannot pass through window
4. radio waves require a medium to propagate

B

MCQ. Spreading of wave as it passes through a gap or around an edge is called

1. reflection
2. refraction
3. diffraction
4. superposition

C

MCQ. Microwaves have wavelength of about

1. 10 cm
2. 20 cm
3. 30 cm
4. 40 cm

A