Hi,
Disclaimers:
1. There are bound to be discrepancies in the key. I'm just providing a starting point to initiate the process of discussions and debates so that we can ultimately arrive at the legitimate solution.
2. I have left few questions unanswered( which ofcourse I don't know) by simply putting * in place of answer.
3. The answers for which I wasn't sure about carry ** before question number.
SET C Answers:
Answer SetC
1.A-----flux density in emw
2.C---antiferro
3.A—reading of Galvanomtr
4.C---slope=planks const
5.*--compton
6.C--j=1/2
7.A---energy=5mc^2/3
8.B---U235
9.A—form of wave function
10.B---carnot relation betwn y and x
11.*---2nd order transition
12.B---harmonic osccil min energy etc
13.B--- newton ring in a liq
**14.D--- diff function of numbr of lines
15.A---coin’ll appear shiny
16.C---SHM ellipse
**17. C----distnce betwn 2 dark
18.C--- 1.44
19.D—centre of mass v=0
20.C—emitter is fwd biased…
21.A…zero electric field at centre
22.D….BI along y
23.D….currnt in j direction
24.A….5ohm
25.C…problity current
26.A…1/a27.C….leptons forces
28.B..plank
29.D….kinetic energy equalfor both H and N
30.A…escape vel non of above
31.* projection of circular motion
32.D…work done by chain
33.D….zero earth sun
34.D…escape vel 4R
35.B…m=13
**36.C…will be virtual
37.B…population inversion in Ne
38.C…both mirage n plane mirror image
**39.B…van de graff
40.A….cyclotron
41.D…q/2 q/2
**42.B….B=mu*H di ferro para
43.C….particle at rest decay
44.C….flywheel
45.A…..range max height
46.A….phase diff b/w SHM
47.C….speed of masses in G
48.B…exponentially decresing
49.A….kinetic energy of planet
**50D….both E and P conserved
51.B…new terminal vel
52.D…observer ‘ll hear 1 beat
53.C….MI of disc
54.D = 0.65
55.A…122.4ev
56.D…transmission prob
**57.B…stern gerlach
**58.B…Zeeman
59.A…p-q/pq
60.*
61.C….0.79ev
62.C…e-2
63.B…wave function continuos
64.A…X ray l alpha k alpha
65.B…gamma mixture=1.5
66.C…entropy increase
67.D….heat capacity
68.D..weins displcmnt law
69.B….1.5J
70.C…drift n diffusion
71.D…acquire negtve chrge
72.C…exponential way
73.B…thin film appears black
74.B…velocity vector
75.A…R-1 escape vel
76.C….square root of temp
77.B….20ma
78.D….independnt of r
**79.A…dopant concentration
80.B…r1v1/r2
81.D…speed=1
82.D…hysteresis
83.C…Huygens eyepiece
84.D….interfrnce beam coherent etc.
85.A…50000
86.D…60 cm
87.B…30degree
88.A…=1time period ratio alpha and proton
89.B….-3E/5
90.A…2/3V
91.C…L>2f
**92.D HE-Ne grating---will remain same
**93.C microscope telescope
**94.A…0.6mm(ooptions were in nm)
95.A…parabolic mirror
96.C…harmonic oscill resonance
97.C…moving clock
98.B….capillary h to h/3
99.D…Be++
100.D…electricflux zero
101.A….YDSE Stmt 1 2 type(101-105)
**102.C
103.C….particle barrie
**104.C…streamline
105.D…relativity
106.A…soft iron
107.A…van der wall work
108.D….chnge in entropy
**109.B…D and eta unchanged
110.A….logic gates
111.B…zener 250ohm
112.D….p/n impurity band gap unchnged
113.* opacity
**114.B…astigmatism
115.B….ratio of intensity 1/3
116.D….plane polarized light 1,2,3
117.A…=vel of light
118.B….Q factor
119.B…45 degree phase diff
120.D….By Bx Bz
Wednesday, May 26, 2010
Monday, May 3, 2010
1….2……3-Go………..
Free flow of information and communication is a fundamental pillar of socio economic development of a society. World Bank and other international organizations use it as one of their criteria for evaluating ‘good governance’ among nations. The world has always dreamt of living in an age where every human is connected to one another. In 1980s with the invention of mobile telephony this long dream of humankind seemed to be materialized. Since then we have come a long way.
The cut-throat competition in the telecom sector on the one hand has relieved the users from paying hefty bills and on the other hand amplified various services available. Present technologies like CDMA, GSM etc. were successful in trickling down their impacts to reach to the datum. People including the rickshawallahas have now learned to keep the mobiles in their pockets. With such a hold of mobile phones on our society, debates over the latest technologies are bound to take off.
India though lately has decided to go 3G. 3G auction has already created a roar in the country of more than 400 million mobile users. It is a third generation of wireless mobile telephony where mobile communication converges with high speed internet services. It allows simultaneous use of speech and data services and higher data rates. It carries a huge potential as an instrument for bringing socio economic changes. Apart from being a boon for high data-rate freaks, it also opens up new opportunities for the rural users. It exposes rural people to the wide world of web where computers are still out of reach but most of them do possess mobile phones. It may prove a life- altering experience for them. The one sector which needs it badly is Telemedicine; with still a large number of rural areas lacking in effective medical care the new technologies like 3G arises new hopes. It can revolutionize the way financial and banking sector perceives rural customers. Education is yet another field where it can contribute for instance the implementation of “one laptop per child” may look tedious but “one 3G phone per classroom” is definitely in reach. It also brings in the novel opportunities like online purchase of seeds and fertilizers etc. in places where still computers are rare sight. It also has its share in simplifying agricultural marketing by knowing the current prices, trends etc. on the phone. Thus for rural upliftment, It could be a much needed shot in the arm.
In a recent study it was observed that broadband penetration is directly proportional to the GDP growth of a nation. With more people connected, the businesses amplify accordingly. It’ll enable Indian employees to remote desktop enterprise solutions and also reduce their response time to the customers leading to the increased productivity. The high data rate and optimized service will enhance the competitiveness in the market.
In this cricket and movie crazy nation the 3G set makers are not all over optimistic in considering entertainment sector as the major economy generator driven by 3G services.
Thus 3G services will definitely add to our long fight of creating awareness among people. The citizens will realize the power of being in touch and that will surely put pressure on the politicians and bureaucrats to deliver on ground.
Meanwhile, financial and health services using 3G have already reached a level of convenience and safety in western world and are just getting ready to take off ground in India.
The cut-throat competition in the telecom sector on the one hand has relieved the users from paying hefty bills and on the other hand amplified various services available. Present technologies like CDMA, GSM etc. were successful in trickling down their impacts to reach to the datum. People including the rickshawallahas have now learned to keep the mobiles in their pockets. With such a hold of mobile phones on our society, debates over the latest technologies are bound to take off.
India though lately has decided to go 3G. 3G auction has already created a roar in the country of more than 400 million mobile users. It is a third generation of wireless mobile telephony where mobile communication converges with high speed internet services. It allows simultaneous use of speech and data services and higher data rates. It carries a huge potential as an instrument for bringing socio economic changes. Apart from being a boon for high data-rate freaks, it also opens up new opportunities for the rural users. It exposes rural people to the wide world of web where computers are still out of reach but most of them do possess mobile phones. It may prove a life- altering experience for them. The one sector which needs it badly is Telemedicine; with still a large number of rural areas lacking in effective medical care the new technologies like 3G arises new hopes. It can revolutionize the way financial and banking sector perceives rural customers. Education is yet another field where it can contribute for instance the implementation of “one laptop per child” may look tedious but “one 3G phone per classroom” is definitely in reach. It also brings in the novel opportunities like online purchase of seeds and fertilizers etc. in places where still computers are rare sight. It also has its share in simplifying agricultural marketing by knowing the current prices, trends etc. on the phone. Thus for rural upliftment, It could be a much needed shot in the arm.
In a recent study it was observed that broadband penetration is directly proportional to the GDP growth of a nation. With more people connected, the businesses amplify accordingly. It’ll enable Indian employees to remote desktop enterprise solutions and also reduce their response time to the customers leading to the increased productivity. The high data rate and optimized service will enhance the competitiveness in the market.
In this cricket and movie crazy nation the 3G set makers are not all over optimistic in considering entertainment sector as the major economy generator driven by 3G services.
Thus 3G services will definitely add to our long fight of creating awareness among people. The citizens will realize the power of being in touch and that will surely put pressure on the politicians and bureaucrats to deliver on ground.
Meanwhile, financial and health services using 3G have already reached a level of convenience and safety in western world and are just getting ready to take off ground in India.
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