Ask a Doubt
Request a call back

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

CBSE Class 10 Answered

pls explain
question image
Asked by gpnkumar0 | 01 Mar, 2018, 10:04: PM
answered-by-expert Expert Answer
begin mathsize 12px style S r. N o space space space space space space angle i space space space space space space space space space space angle r space space space space space space space space space space space space angle e space space space space space space space space fraction numerator sin angle i over denominator sin space angle r end fraction space space space space space space space space space space fraction numerator sin space angle e over denominator sin space angle r end fraction minus negative negative negative negative negative negative negative negative negative negative negative negative negative negative negative negative negative negative negative negative negative negative negative negative negative negative i space space space space space space space space space space space space space space space 60 space space space space space space space space space space space space space 40 space space space space space space space space space space space 61 space space space space space space space space space space space space 1.347 space space space space space space space space space space space 1.361 I I space space space space space space space space space space space space space 50 space space space space space space space space space space space space space 36 space space space space space space space space space space space 51 space space space space space space space space space space space space 1.303 space space space space space space space space space space space space 1.322 i i i space space space space space space space space space space space space space 40 space space space space space space space space space space space space space 28 space space space space space space space space space space space 39 space space space space space space space space space space space space 1.369 space space space space space space space space space space space space 1.340 i v space space space space space space space space space space space space space 30 space space space space space space space space space space space space space 20 space space space space space space space space space space space 31 space space space space space space space space space space space space 1.462 space space space space space space space space space space space space 1.506 space end style
 
Observations are tabulated along with the refractive index formula. Refractive index of typical glass is 1.52
Hence only the 4th observation is correct. Others are wrong
Answered by Thiyagarajan K | 02 Mar, 2018, 08:40: AM

Application Videos

Concept Videos

Multiple Choice Questions Practice Test
Answered Unanswered My Questions My Answers
CBSE 10 - Physics
what type of image produced by plane mirror
Asked by agankitgupta938 | 18 Apr, 2024, 04:29: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Physics
how is light made
Asked by infinityupgraded | 13 Apr, 2024, 08:17: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Physics
what are the ray diagrams??
Asked by suryamr2019 | 08 Mar, 2024, 04:32: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Physics
Plssss answer..... Assertion: Magnetic field lines never intersect each other. Reason: If they intersect, then at the point of intersection, the compass needle would point towards two directions, which is not possible.
Asked by sheetal.kolte | 04 Mar, 2024, 12:38: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Physics
what is drawn
question image
Asked by shrilakshmimunoli | 01 Mar, 2024, 01:15: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Physics
write ohm's law for electric circuit. Also write the necessary formula for this .
Asked by khajannirwan | 27 Feb, 2024, 10:20: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Physics
where can i find a video on magnetic field in physics? thanks
Asked by sailakshmi.avinesh | 13 Feb, 2024, 07:03: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Physics
find Req
question image
Asked by sakshikatewa0 | 08 Feb, 2024, 12:48: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Physics
student observes the above phenomenon in the lab as a white light passes through a prism. Among many other colours, he observed the position of the two colours Red and Violet. What is the phenomenon called? What is the reason for the violet light to bend more than the red light?
Asked by saurabhjd527 | 30 Jan, 2024, 07:55: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Physics
Will a current carrying conductor produce an electric field?
Asked by saanviyadla | 24 Jan, 2024, 07:06: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt
Get Latest Study Material for Academic year 24-25 Click here
×