367897
Which of the following cannot be polarised?
1 Infrared rays
2 Ultrasonic waves
3 Ultraviolet rays
4 Radio waves
Explanation:
Ultrasonic waves are longitudinal waves. They can’t be polarised.
PHXII10:WAVE OPTICS
367898
When the angle of incidence on a material is \(60^\circ \). The reflected light is completely polarised.The velocity of the refracted ray inside the material is \(\left( {in\;m{s^{ - 1}}} \right)\)
367899
The angle of incidence at which reflected light is totally polarised for reflection from air to glass (refractive index \(n\)), is
1 \({\sin ^{ - 1}}\left( {1{\rm{/}}n} \right)\)
2 \({\tan ^{ - 1}}\left( {1{\rm{/}}n} \right)\)
3 \({\tan ^{ - 1}}\left( n \right)\)
4 \({\sin ^{ - 1}}\left( n \right)\)
Explanation:
The angle of incidence for total polarisation is given by \(\tan \theta = \frac{{{n_2}}}{{{n_1}}} \Rightarrow {\tan ^{ - 1}}n\) \(\left( {{n_1} = 1,{n_2} = n} \right)\) Where \(n\) is the refractive index of the glass
PHXII10:WAVE OPTICS
367900
A ray of light is going from air to glass such that the reflected light is found to be completely plane polarized. Also the angle of refraction inside the glass is found exactly equal to the angle of deviation suffered by the ray. The refractive index of the glass is
367897
Which of the following cannot be polarised?
1 Infrared rays
2 Ultrasonic waves
3 Ultraviolet rays
4 Radio waves
Explanation:
Ultrasonic waves are longitudinal waves. They can’t be polarised.
PHXII10:WAVE OPTICS
367898
When the angle of incidence on a material is \(60^\circ \). The reflected light is completely polarised.The velocity of the refracted ray inside the material is \(\left( {in\;m{s^{ - 1}}} \right)\)
367899
The angle of incidence at which reflected light is totally polarised for reflection from air to glass (refractive index \(n\)), is
1 \({\sin ^{ - 1}}\left( {1{\rm{/}}n} \right)\)
2 \({\tan ^{ - 1}}\left( {1{\rm{/}}n} \right)\)
3 \({\tan ^{ - 1}}\left( n \right)\)
4 \({\sin ^{ - 1}}\left( n \right)\)
Explanation:
The angle of incidence for total polarisation is given by \(\tan \theta = \frac{{{n_2}}}{{{n_1}}} \Rightarrow {\tan ^{ - 1}}n\) \(\left( {{n_1} = 1,{n_2} = n} \right)\) Where \(n\) is the refractive index of the glass
PHXII10:WAVE OPTICS
367900
A ray of light is going from air to glass such that the reflected light is found to be completely plane polarized. Also the angle of refraction inside the glass is found exactly equal to the angle of deviation suffered by the ray. The refractive index of the glass is
367897
Which of the following cannot be polarised?
1 Infrared rays
2 Ultrasonic waves
3 Ultraviolet rays
4 Radio waves
Explanation:
Ultrasonic waves are longitudinal waves. They can’t be polarised.
PHXII10:WAVE OPTICS
367898
When the angle of incidence on a material is \(60^\circ \). The reflected light is completely polarised.The velocity of the refracted ray inside the material is \(\left( {in\;m{s^{ - 1}}} \right)\)
367899
The angle of incidence at which reflected light is totally polarised for reflection from air to glass (refractive index \(n\)), is
1 \({\sin ^{ - 1}}\left( {1{\rm{/}}n} \right)\)
2 \({\tan ^{ - 1}}\left( {1{\rm{/}}n} \right)\)
3 \({\tan ^{ - 1}}\left( n \right)\)
4 \({\sin ^{ - 1}}\left( n \right)\)
Explanation:
The angle of incidence for total polarisation is given by \(\tan \theta = \frac{{{n_2}}}{{{n_1}}} \Rightarrow {\tan ^{ - 1}}n\) \(\left( {{n_1} = 1,{n_2} = n} \right)\) Where \(n\) is the refractive index of the glass
PHXII10:WAVE OPTICS
367900
A ray of light is going from air to glass such that the reflected light is found to be completely plane polarized. Also the angle of refraction inside the glass is found exactly equal to the angle of deviation suffered by the ray. The refractive index of the glass is
367897
Which of the following cannot be polarised?
1 Infrared rays
2 Ultrasonic waves
3 Ultraviolet rays
4 Radio waves
Explanation:
Ultrasonic waves are longitudinal waves. They can’t be polarised.
PHXII10:WAVE OPTICS
367898
When the angle of incidence on a material is \(60^\circ \). The reflected light is completely polarised.The velocity of the refracted ray inside the material is \(\left( {in\;m{s^{ - 1}}} \right)\)
367899
The angle of incidence at which reflected light is totally polarised for reflection from air to glass (refractive index \(n\)), is
1 \({\sin ^{ - 1}}\left( {1{\rm{/}}n} \right)\)
2 \({\tan ^{ - 1}}\left( {1{\rm{/}}n} \right)\)
3 \({\tan ^{ - 1}}\left( n \right)\)
4 \({\sin ^{ - 1}}\left( n \right)\)
Explanation:
The angle of incidence for total polarisation is given by \(\tan \theta = \frac{{{n_2}}}{{{n_1}}} \Rightarrow {\tan ^{ - 1}}n\) \(\left( {{n_1} = 1,{n_2} = n} \right)\) Where \(n\) is the refractive index of the glass
PHXII10:WAVE OPTICS
367900
A ray of light is going from air to glass such that the reflected light is found to be completely plane polarized. Also the angle of refraction inside the glass is found exactly equal to the angle of deviation suffered by the ray. The refractive index of the glass is
