Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 10 Answered

The 4th observation also gives the same result (i.e. 1.5). Then kindly let me know why are we choosing the 1st observation.
Asked by mrinalini mrinalini | 28 Feb, 2015, 09:32: PM
Expert Answer
According to the fourth observation,
 begin mathsize 12px style angle straight i space equals space 60 degree space and space angle space straight r space equals space 40 degree Therefore comma space fraction numerator sini over denominator sin space straight r end fraction space equals space fraction numerator sin space 60 degree over denominator sin space 40 degree end fraction space equals space 1.347 end style
Whereas, the ratio of the same in option (1) is 1.535. So the correct answer is option (1)
Answered by Yashvanti Jain | 11 Dec, 2017, 07:07: PM
CBSE 10 - Physics
Asked by vaishnavimishra2003 | 14 Jun, 2022, 07:45: AM
ANSWERED BY EXPERT
CBSE 10 - Physics
Asked by ajyaduvanshi9415 | 24 Jan, 2022, 11:34: AM
ANSWERED BY EXPERT
CBSE 10 - Physics
Asked by sentilkannan | 27 Nov, 2021, 11:44: AM
ANSWERED BY EXPERT
CBSE 10 - Physics
Asked by gourimondal80 | 12 Nov, 2021, 08:09: PM
ANSWERED BY EXPERT
CBSE 10 - Physics
Asked by ratnamaddala88 | 18 Oct, 2021, 08:18: AM
ANSWERED BY EXPERT
CBSE 10 - Physics
Asked by loversnaruto013 | 03 Sep, 2021, 08:23: PM
ANSWERED BY EXPERT
CBSE 10 - Physics
Asked by saanvireddy0205 | 06 Aug, 2021, 09:21: AM
ANSWERED BY EXPERT
CBSE 10 - Physics
Asked by rajatsinghbsr19 | 26 May, 2021, 08:11: PM
ANSWERED BY EXPERT
Get FREE Sample Mock Papers for Final Exams
Download Now
×