CBSE Class 10 Answered
A glass prism of refractive index 1.5 is immersed in water of refractive index 4/3 as shown in figure.A ray of light incident normally on face AB is totally reflected at the face AC if sinq is:
A)less than or equal to 2/3
B)greater than 8/9
C)0.8666
D)between 2/4 and 8/9
Explain?
Asked by team admin | 17 Nov, 2010, 06:29: PM
Expert Answer
for portion of AC not in the water,
To obtain Total internal Reflection (TIR) we must have
If (2) is satisfied then (1) is also satisfied because 8/9 > 2/3
hence B) is correct
Answered by | 17 Nov, 2010, 11:26: PM
Application Videos
Concept Videos
CBSE 10 - Physics
Asked by agankitgupta938 | 18 Apr, 2024, 04:29: PM
ANSWERED BY EXPERT
CBSE 10 - Physics
Asked by infinityupgraded | 13 Apr, 2024, 08:17: AM
ANSWERED BY EXPERT
CBSE 10 - Physics
Asked by suryamr2019 | 08 Mar, 2024, 04:32: PM
ANSWERED BY EXPERT
CBSE 10 - Physics
Asked by saurabhjd527 | 30 Jan, 2024, 07:55: PM
ANSWERED BY EXPERT
CBSE 10 - Physics
Asked by subrasixty | 13 Jan, 2024, 05:05: PM
ANSWERED BY EXPERT
CBSE 10 - Physics
Asked by nandanagnair | 17 Dec, 2023, 03:44: PM
ANSWERED BY EXPERT
CBSE 10 - Physics
Asked by namish1088 | 16 Nov, 2023, 08:09: PM
ANSWERED BY EXPERT
CBSE 10 - Physics
Asked by 0 0 | 19 Oct, 2023, 03:51: PM
ANSWERED BY EXPERT
CBSE 10 - Physics
Asked by bubbynaik77 | 29 Sep, 2023, 09:34: PM
ANSWERED BY EXPERT
CBSE 10 - Physics
Asked by gurcharansingh37306 | 10 Sep, 2023, 12:53: PM
ANSWERED BY EXPERT