convergence of concave mirror can be decreases by dipping in:-


a.water     b.oil       c.both(a)and (b)         d.none of these

3 years ago

Share

Answers : (1)

                    

since REFRACTION is not involved in the operation of a mirror and in addition, the laws of REFLECTION are independent of the medium, the answer is (d)


'Win exciting gifts by answering the questions on Discussion Forum.'


 

3 years ago

Post Your Answer

More Questions On IIT JEE Entrance Exam

Ask Experts

Have any Question? Ask Experts
Post Question
 
Answer ‘n’ Earn
Attractive Gift
Vouchers
To Win!!!
Click Here for details
Which. Maths book is best for b arch test
 
 
http://www.askiitians.com/important-books-iit-jee.aspx read this article all the good books are mentioned in it , it will help you to find all the good books in all three subjects.
  img
Sher Mohammad 17 days ago
sir, i want to know which book of phys. should i prefer for jee mains and advance prep. in which by short approach numericals are solved with theory
 
 
For concepts please consult either Young & Freedman(University Physics) or H C Verma. These books stress on concepts and the quality of the questions are also good. Thanks & Regards...
  img
Aziz Alam 8 days ago
Sir, -How rank is decided in jee advanced? -Is it decided only on marks that we get in jee advanced paper or 12 th marks are also claculated. -How rank is decided in jee main?
 
 
Rank in JEE Advanced is decided through the marks secured in JEE Advanced exam,whereas the rank in JEE Main for admission to Btech courses in NITs, IIITs & other insititutes is given by...
  img
Aziz Alam 5 days ago
how much marks do i need out of 360 in jee advance to secure a rank below 500
 
 
in general u need min. 60% , or 240 marks check 2013 advanced report for exact information
 
Joy 2 months ago
 
Above 300 u can get AIR 1 for 500 marks must be about 250-255....
 
Himanshu Shrotriy 3 months ago
 
Seriously?! I know a guy who got 281 and his rank was 55
 
siddharth singhal 5 months ago
manit cs, mnnit it, iiit Allahabad it ..which is better in terms of package, placement, opportunity...??! which one should I prefer to join??? any other college for rank around 10k in jee...
 
 
CS is good branch as compared to IT interms of package, placement, opportunity. So it better if you choose CS. So the priority order will be as follows: MNIT CS IIIT ALLAHABAD IT MNIT CS
  img
Ramreddy 10 days ago
air:523(SC)and overall 24875 jee mains which college for CSE branch in NITs
 
 
i suggest you to go for nit warangal,trichy,surathkal.they all are equally good and you wont regret your choice. if not there then go for nit delhi. other than nits i suggest you to do for...
 
SAURAV RAI 10 days ago
View all Questions »