What is Index: Definition and 827 Discussions

Indian Institute of Management Lucknow (abbreviated IIM Lucknow or IIM-L) is a public business school in Lucknow, Uttar Pradesh, India. It was established in 1984 as the fourth Indian Institute of Management (IIM) by the Government of India. IIM Lucknow offers post-graduate diploma, fellowship and executive programs in management. It is recognised as an "Institution of Excellence" by India's Ministry of Human Resource Development. IIM Lucknow also serves as the mentor institution for the newly established IIM Jammu, IIM Rohtak and IIM Kashipur. It also served as a mentor institute to IIM Sirmaur till 2018.The institute is on a 200-acre site in the northern outskirts of Lucknow. It also has a second campus on a 20-acre site at Noida exclusively for one year full-time MBA program (IPMX), Two-year PGP for working executive and executive education. The admission for the two-year PGP and fellowship programmes is done through Common Admission Test (CAT), while GMAT score is used for International Programme in Management for Executives, a one-year full-time residential programme equivalent to an MBA program, while admission to the Two-year PGP for working executive program is done based on GMAT score or a competitive written examination conducted by IIM Lucknow. The shortlisted candidates based on GMAT or the written examination go through the Writing Ability Test and Personal Interview (WAT & PI) to get final selection. The programs are accredited by the global accreditation body AMBA and AACSB. The institute has tie-ups with 24 leading B-schools across the world for student exchange. A number of b-competitions, cultural and sports events are organised by various clubs, academic interest groups and committees throughout the year.

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  1. S

    Index Notation and Vector Field Manipulation: Solving Complex Problems with Ease

    I've been stuck with this problem since a while.. thought I'd ask here; \nabla \times \dfrac{\vec{A} \times \vec{r}}{2} solving normally isn't any problem, but I have to do it with index notation, where A is an arbitrary vector field and r is the position vector) This is how far I can...
  2. M

    Finding critical angles and index of refractions

    im having trouble setting my TI-83 Plus into "degree mode" so i can't seem to get the answers for these problems...im probably doing them wrong too A material has an index of refraction of 1.75. What is the critical angle for this material? Sin(critical angle)=1/n, n being the index of...
  3. S

    How Do You Calculate Phase and Group Velocity from Refractive Index Data?

    given is a graph of n(lambda) vs lambda where n is the index of refraction N(1000) =1.45 Estimate Vphase and group velocity using the above info. i know that n = \frac{c}{v_{\phi}} = \frac{ck}{\omega} i can't simply susbtitute into that above relation because the lambda given is that...
  4. N

    Newton's Ring Apparatus and Refractive Index

    Hello, I'm a bit stumped on a problem and wondered if anyone knew how to approach this problem: When a Newton's ring apparatus, ( Fig. 24-30(see attached) ) is immersed in a liquid, the diameter of the eighth dark ring decreases from 2.99 cm to 2.49 cm. What is the refractive index of the...
  5. F

    Index of Refraction: Proving Rays Are Parallel

    I have input rays into a glass plate and output rays for this glass plate also. How can I prove that they are indeed parallel. I'm thinking all I need to do is extend the inout and output rays, and indicate that they are both 180 deg. Visually, they will appear parallel anyways.
  6. K

    How to find citation index of a specific researcher?

    Does anybody know how to find how often a specific researcher is cited in leading journals? Is such statistics kept in some way at all?
  7. S

    Dielectric constant and index of refraction

    I'm a little confused. My source says the dielectric constant for water is 80. Then I have the equation that gives the index of refraction as n=\sqrt{\epsilon_r} (since it isn't very magnetic). But the index of refraction for water is 1.33. What am I missing?
  8. S

    How Do Materials with Negative Refractive Index Function?

    What are the properties of materials havind negative refractive index? Are they theoretical or do they exist?
  9. B

    Does the speed of light actually slow down in glass?

    ok I've been wondering about this for awhile when people say the speed of light slows down when going through an object (ie glass). does the speed of light actually slow down to 2x10^8 m/s or does the speed of light actually stay constant at 3x10^8, but the photons collide with the SiO...
  10. M

    Light refraction index equation

    Is the following equation which relates to light refraction index and the amount which bounces back been proven experimental or theoretically(mathematicaly)? R = [(n1-n2)/(n1+n2)]
  11. C

    Refractive index and critical angle

    The equation relating these is : sine(critical angle) = refractive index between 2 meterials. Could someone please supply a proof for this? Also, as a side question :wink: , is there a proof for the sin i / sin r = v1/ v2 , not including the one in which you draw triangles and...
  12. S

    What are the implications of a negative refractive index in optics?

    Negative Refractive index! Is negative refractive index possible(theoretically,in optics). If so what are its implications? :smile:
  13. T

    Help Factorise an equation with fraction index?

    Hello, all, I am here is to ask how can I factorise an equation with fraction indeces?? (Help~) The question I have got is x^(3/2) + a^(3/2), and the suggested method is using the factor theorem... but I just don't understand how could that works... However, I would be very grateful if...
  14. B

    Refractive Index and Angle of Refraction in Perspex Container Filled with Water

    Light ray goes into a container at 70 degrees, the container is made of perspects. The refective index of perspex is 1.48. What are the angles of refraction in (i) the water; (ii) the plastic, (iii) the air below the tank. I can't work it out, the answer to the first bit is 26 degrees, i...
  15. C

    Understanding Index Notation in Engineering and Physics

    hello, i just started learning index notation in my engineering class, and I am having some trouble. one of the problems on my homework was: putting this in index notation: \vec{f}=g \frac{m_1m_2}{\vec{r}^2} \ \frac{\vec{r}}{\sqrt{\vec{r}^2}} and then another problem that reads...
  16. D

    What Liquids Have a Refractive Index Close to Silicone for Flow Visualization?

    I have a transparent silicone model flow chamber which I would like to use for flow visualisation studies. Ideally I would like a fluid whose refractive index is the same as the silicone, hence minimising distortion of the field of view. The refractive index of the silicone model is approx 1.4...
  17. A

    What Is the Refraction Index of Paper?

    Does anybody here know the refraction index of paper? I couldn't find any info on this... Any kind will do.
  18. C

    What is the Refractive Index for Total Internal Reflection in a 45-45-90 Prism?

    The Question: A 45-45-90 prism is immersed in water. What is the minimum index or fefraction the prism must have if it is to reflect totaly a ray incident normally on one of its faces. Now, we have found this question a bit hard to understand. We assume that light is hitting one of the...
  19. S

    Rewrite the following sum with the index of summation

    Hi, I don't understand this problem at all: Rewrite the following sum with the index of summation starting at 3 in summation notation: \sum_{i=1}^{6}(5+3i) I know that the sum is 93 but I'm not sure what to do... Thanks for the help!
  20. D

    Refraction Index: Does Temperature Change It?

    Hello, will refreactoin index of water or any material will change its refreaction index when temperature changes? What make the speed of light slower in air compare to vacum.
  21. P

    Calculating Miller Index from Bragg Angle and Lattice Constant

    How we can calculate the Miller's index? :rofl: Thanks
  22. D

    Index of refraction of the plexyglass

    If Sin(theta r)/Sin(theta i) is reversed from Sin(theta i)/Sin(theta r) = n, what does this mean? I'm quite confused since I'm doing a physics lab, and the class was told to make a graph where we measured angles with polar paper, pins and plexyglass. Could it possibly the index of refraction...
  23. C

    Calculate Index of Refraction: Air to Glass

    In this figure the path of the light passes from air to glass. Calculate the index of refraction n1 = air = 1 n2 = glass = ? Sin theta 1 = 30degrees sin theat 2 is = 20 degrees formula used n2 = n1*sin theta 1 / sin theta 2 sin of 30/ sin of 20 = n2 = 1.46 is this correct hope the...
  24. M

    Calculating the index of refraction of a gas

    Question: One of the beams of an interferometer, as seen in the figure below, passes through a small glass container containing a cavity D = 1.40 cm deep. When a gas is allowed to slowly fill the container, a total of 230 dark fringes are counted to move past a reference line. The light used...
  25. S

    Refraction Index Ratio: How to Calculate with 2 Unknowns

    How do u figure out the ratio of the refraction index if you have to unknown materials, that of which, one is 1.25 greater than the speed of sound.
  26. C

    Solve 37 x 0.785 w/ Logarithms (Base 10, e & 5)

    im sick of logs use base and index steps to show the answer to 37 x 0.785 using logarithms with a base of 10, e and 5. i just want to know how to start this problem. thanks in advance
  27. kat

    News Saban Center creates Iraqi Index

    Iraq Index: Measures of Reconstruction and Security
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