Podcast
Questions and Answers
Who first put forward the wave theory of light?
Who first put forward the wave theory of light?
- Christiaan Huygens (correct)
- Descartes
- Isaac Newton
- Foucault
Which physicist conducted the experiment in 1850 that confirmed the speed of light in water is less than in air?
Which physicist conducted the experiment in 1850 that confirmed the speed of light in water is less than in air?
- Isaac Newton
- Foucault (correct)
- Christiaan Huygens
- Descartes
According to the corpuscular model of light, what happens to the speed of light when a ray of light bends towards the normal on refraction?
According to the corpuscular model of light, what happens to the speed of light when a ray of light bends towards the normal on refraction?
- Decreases
- Increases (correct)
- Reverses direction
- Stays the same
What law did Descartes derive in 1637 related to light?
What law did Descartes derive in 1637 related to light?
Which famous book by Isaac Newton further developed the corpuscular model of light?
Which famous book by Isaac Newton further developed the corpuscular model of light?
What did the wave model of light predict about the speed of light when a wave bends towards the normal on refraction?
What did the wave model of light predict about the speed of light when a wave bends towards the normal on refraction?
What is the angle known as when the angle of incidence is greater than the critical angle?
What is the angle known as when the angle of incidence is greater than the critical angle?
What happens to the refracted wave when the angle of incidence is greater than the critical angle?
What happens to the refracted wave when the angle of incidence is greater than the critical angle?
What is the angle of reflection equal to, based on the law of reflection?
What is the angle of reflection equal to, based on the law of reflection?
What does the symbol 'ic' represent in the context of wave optics?
What does the symbol 'ic' represent in the context of wave optics?
What happens to a refracted wave at the critical angle?
What happens to a refracted wave at the critical angle?
What is the phenomenon called when a wave undergoes total internal reflection?
What is the phenomenon called when a wave undergoes total internal reflection?
What did Christiaan Huygens discover about Saturn's rings?
What did Christiaan Huygens discover about Saturn's rings?
In his work, what did Christiaan Huygens explain about calcite?
In his work, what did Christiaan Huygens explain about calcite?
Which theory of light is Christiaan Huygens known for founding?
Which theory of light is Christiaan Huygens known for founding?
What did Christiaan Huygens analyze for the first time?
What did Christiaan Huygens analyze for the first time?
What law is described in the excerpt as relating to the angles of incidence and refraction?
What law is described in the excerpt as relating to the angles of incidence and refraction?
In terms of refractive indices, what can be derived from Eq.(10.6)?
In terms of refractive indices, what can be derived from Eq.(10.6)?
What is the phenomenon discussed in Section 10.7?
What is the phenomenon discussed in Section 10.7?
Who predicted the existence of electromagnetic waves around 1855?
Who predicted the existence of electromagnetic waves around 1855?
When were radiowaves produced in the laboratory?
When were radiowaves produced in the laboratory?
What is the basis of ray optics?
What is the basis of ray optics?
In what region does light have a wavelength of about half a micrometre?
In what region does light have a wavelength of about half a micrometre?
What experiment from school demonstrates that light travels in a straight line?
What experiment from school demonstrates that light travels in a straight line?
What principle is the entire field of interference based on?
What principle is the entire field of interference based on?
When do two sources in a medium become coherent?
When do two sources in a medium become coherent?
In the context of two coherent sources, what does it mean when waves from both sources reach a point in phase?
In the context of two coherent sources, what does it mean when waves from both sources reach a point in phase?
How do waves from two coherent sources behave if the distances S1P and S2P are equal?
How do waves from two coherent sources behave if the distances S1P and S2P are equal?
What is the significance of the position of crests and troughs in water waves according to Figure 10.8(b)?
What is the significance of the position of crests and troughs in water waves according to Figure 10.8(b)?
What happens when waves from coherent sources interfere destructively at a point?
What happens when waves from coherent sources interfere destructively at a point?
