Total Internal Reflection through a Prism Episode 8
with ABHISHEK K R B.Tech - Aerospace, Alliance University CBSE Expert | Inventor of RocketPro 6+ Years Teaching Exp | Mentored more than 5000 students Helped 1000s of students get 10 CGPA in CBSE X
Refraction of Light
Laws of Refraction and Refractive index
Factors affecting Refraction & Principle of Reversibility
Refraction of light through a prism
Factors affecting the Angle of Deviation
Real and apparent depth
Critical angle & Total internal reflection
Total internal reflection through a prism Refraction of Light at plane surfaces of Light at plane Refraction
Refraction of Light
Laws of Refraction and Refractive index
Factors affecting Refraction & Principle of Reversibility
Refraction of light through a prism
Factors affecting the Angle of Deviation
Real and apparent depth
Critical angle & Total internal reflection
Total internal reflection through a prism Refraction of Light at plane surfaces of Light at plane Refraction
Q4. When the angle of refraction is 90o, the angle of incidence is called ______
ANSWER: Critical angle
Q1. The phenomenon shown in the figure is called? Q1. The phenomenon shown in the figure is called?
A B
Reflection Refraction
C D Total internal Rectilinear Reflection Propagation Q1. The phenomenon shown in the figure is called?
A B
Reflection Refraction
C D Total internal Rectilinear Reflection Propagation Q2. For Total internal reflection to occur , angle of incidence should be ______than critical angle
A B
Lesser Greater
C D
Equal to Can’t say Q2. For Total internal reflection to occur , angle of incidence should be ______than critical angle
A B
Lesser Greater
C D
Equal to Can’t say Q3. When a ray of light enters from denser medium to rare medium it bends
A B Away from the Towards normal normal
C D Perpendicular to Parallel to normal normal Q3. When a ray of light enters from denser medium to rare medium it bends
A B Away from the Towards normal normal
C D Perpendicular to Parallel to normal normal Total Internal Reflection
Right Angled Isosceles Prism Equilateral Prism Right Angled Prism Total Internal Reflection
Right angled isosceles prism Equilateral prism Right angled prism
45°, 90°, 45° PRISM PRISM of each angle 60° 30°, 90°, 60° PRISM Total Internal Reflection
Right angled isosceles prism Equilateral prism Right angled prism
45°, 90°, 45° PRISM PRISM of each angle 60° 30°, 90°, 60° PRISM Total Internal Reflection through a right angled Isosceles prism Right angled Isosceles prism
To deviate a ray of light through 90°
To deviate a ray of light through 180°
To erect the inverted image without deviation To deviate a ray of light through 90° To deviate a ray of light through 90° To deviate a ray of light through 90° This principle is used in PERISCOPE To deviate a ray of light through 180° To deviate a ray of light through 180° To erect the inverted image without deviation To erect the inverted image without deviation To erect the inverted image without deviation Total Internal Reflection through an Equilateral prism EQUILATERAL PRISM Total Internal Reflection through an Equilateral prism Deviation of 60° through an equilateral prism Total Internal Reflection through a right angled Prism 30°, 90°, 60° Right angled PRISM Total Internal Reflection through a right angled Prism The ray AB is incident on the face XY at an incidence angle 30 which is smaller than critical angle of prism. So, the ray refracts at the face XY and emerges away from normal N . The total internal reflection of a ray of light normally incident on one face of a 30°, 90°, 60° prism. Total internal reflection Vs Reflection from a plane mirror V I P
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1 week = 48 classes or 50 classes (Rounding off since I hate maths)
1 month = 50 x 4 weeks = 200 classes (Aur kitna padhoge?)
Per Class ₹ 2294 /- ₹ 5949 /- ₹ 9774 /- Price 200 600 1200 Per Class ₹ 11.47 /- ₹ 9.19 /- ₹ 8.145 /- Let’s do the Tabahi Math!! Price (Ya I know Decimals!!)
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Coupon CODE! AKPRO Q1. A total reflecting right angled isosceles prism can be used to deviate a ray of light through:
A B
300 600
C D
750 900 Q1. A total reflecting right angled isosceles prism can be used to deviate a ray of light through:
A B
300 600
C D
750 900 Q2. A total reflecting equilateral prism can be used to deviate a ray of light through
A B
30° 60°
C D
75° 90°
Q2. A total reflecting equilateral prism can be used to deviate a ray of light through
A B
30° 60°
C D
75° 90°
Q3. A prism having an angle of 90° between its two refracting surfaces and the other 2 angles each equal to 45° is called
A B Right angled Equilateral prism isosceles prism
C D Total Reflecting Both (B) and (C) Prism Q3. A prism having an angle of 90° between its two refracting surfaces and the other 2 angles each equal to 45° is called
A B Right angled Equilateral prism isosceles prism
C D Total Reflecting Both (B) and (C) Prism Q4. A total reflecting prism is used :
A B To deviate a ray of To deviate a ray of light through 90° light through 180°
C D To erect the inverted image without producing deviation in All the above its path Q4. A total reflecting prism is used :
A B To deviate a ray of To deviate a ray of light through 90° light through 180°
C D To erect the inverted image All the above without producing deviation in its path Q5. Name the phenomenon the ray of light light suffers at face BC and AC Q5. Name the phenomenon the ray of light light suffers at face BC and AC
A B BC- Refraction BC- Refraction AC- TIR AC- Reflection
C D BC- Reflection BC- TIR AC- Reflection AC- Refraction Q5. Name the phenomenon the ray of light light suffers at face BC and AC
A B BC- Refraction BC- Refraction AC- TIR AC- Reflection
C D BC- Reflection BC- TIR AC- Reflection AC- Refraction Q6. Mention 1 difference between reflection of light from a plane mirror and Total internal reflection of light from a prism.
Refraction of Light
Laws of Refraction and Refractive index
Factors affecting Refraction & Principle of Reversibility
Refraction of light through a prism
Factors affecting the Angle of Deviation
Real and apparent depth
Critical angle & Total internal reflection
Total internal reflection through a prism Refraction of Light at plane surfaces of Light at plane Refraction Refraction of Light at Plane Surfaces FULL CHAPTER QUIZ AND DOUBTS SESSION Just VISIT! vdnt.in/YTPRO
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