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| In which device is an equilateral prism used for total internal reflection?
In a 30, 90 and 60 degrees prism as well?
Thank you so much. |  | 
| asked by Anshika J (anmj) 8 years ago | 
| 2 | 
| Since people have confusion weather to draw an envelope in hindi letter or not, I suggest you people do draw it (Precaution). I have posted the envelope format in responses. |  | 
| asked by Pronoy Neogi (pronoyneogi) 8 years ago | 
| 3 | 
| in hindi,have any of your school teachers told you which chapters are most likely to come?if yes,then please tell  me what |  | 
| asked by Armk (sushilamod) 8 years ago | 
| 1 | 
| Pls can anyone give me the ans. for this beng question-etihashe tar kono proman paowa jaini(kortribachho) |  | 
| asked by Disha Ghatak (disha95) 8 years ago | 
| 1 | 
| How does a tree appear when we look it from water ? |  | 
| asked by Ganesh Prasad (ganesh_prasad) 8 years ago | 
| 1 | 
|  + 1 more questions by ganesh_prasad    
| A Logical Question u may answer wrong think before ur answer!!!
Question : What is Precisely the speed of light in vaccum ? |  |  
| asked by Ganesh Prasad (ganesh_prasad) 8 years ago |  
| 3 |  | 
| Can anybody please tell me how do I view the pupil analysis? I'm unable to download it from the ICSE website.. |  | 
| asked by SayWhatBbg (eleanor25) 8 years ago | 
| 2 | 
| What type of lever is a bicycle brake? |  | 
| asked by Individual (srija_saha) 8 years ago | 
| 2 |