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Student Questions
The photoelectric work function for molybdenum is 4.6eV what should be the
physics
class12
asked
Feb 12, 2020
by
nitindhakol1997
0
answers
(chatquestion)...(3) 30 cm rigure. ce 10 cm from (3) Light converging at a point (4) Both (2) & (3) Ga A ray is incident normally on a right angled prism whose R.I. is V3 and prism angle a = 30°. on, then the distance lens 74. An astro magnifica focal leng the teles (1) 190 Deviation to the ray is equal to TC (3) 20 75. The f size (2) TC (1) (4) 2n Зп obje (1) (3) 70. A convex lens forms the image of the point object alass slah of thickness 3.cm 7.5 cm
other
telegram-56574
asked
Feb 12, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...Work, Enorgy Pwes 2 Determine Hhe % of KE Josf by Amadl ball uban it maks elate head on calliston with ntatorany tigger tall. The mass ball i 12 timc bigges then mau f smull mas p2 Small Big M-12m minimum KE a Cm+(2m) eryod ascal AROnsryed Sence of conserva Maz P.E = E-Et m²u² a(mti2m) NE collision: aler and fiandame max-PE -1 mu? n+1 s fr eumple, i - muư [1- ty bon-elastic coll ncounter betwee inck ogether after mu² = 12 cocrgy takes pla val aticle stick after coll aric collision : la und its target w othetarget. ady spheres. Oely charged ic tele. aby an Exam Pad
other
telegram-56572
asked
Feb 12, 2020
by
balaji.thirumalai
0
answers
If the moon is made of bananas, then there are monkeys on the moon. The moo
math
class5
asked
Feb 12, 2020
by
sole.tesfaye2010
0
answers
the corners of a solid shape are called
math
class7
asked
Feb 12, 2020
by
sheeba.justin
1
answer
if n and m are two unit vectors and theta be the angle between them, prove
math
noclass
asked
Feb 12, 2020
by
robinsinghfn
1
answer
Let R and S be relation on A={1,3,5} be defined by xRy iff y= x+2 and xRy i
math
noclass
asked
Feb 12, 2020
by
Aryanjain0802
1
answer
(chatquestion)...Addition of Water to a Salt Solution : Pure water is added drop by drop to a vessel of volume V filled with a salt solution of specific gravity Po which is allowed to overflow due to addition of water. Find specific gravity of solution when a volume V, of water is added. Assume uniform density of solution just after adding each drop of water. PG Physics Galaxy Videos
other
telegram-4588
asked
Feb 12, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...A body is projected with velocity u such that is horIZontal Tamg nu heights are same: The horizontal range is 8u2 1) 17g 14u 4) 16g on elastic collision with a ball 4u? 16u? 2) 17g 3) 17g hood
other
telegram-4585
asked
Feb 12, 2020
by
balaji.thirumalai
0
answers
Determine the percentage of kinetic energy lost by a small ball when it mak
physics
noclass
asked
Feb 12, 2020
by
abayfikreselam
0
answers
(chatquestion)...CH3 H. H. H. re trans-But-2-ene cis-But-2-ene (u = 0.33D) %3D In the case of solids, it is observed that the trans isomer has higher melting point than the cis form. Geometrical or cis-trans isomerism is also shown by alkenes of the types XYC = CXZ and XYC = CZW %3D...(It is given in ncert...)
other
telegram-4582
asked
Feb 12, 2020
by
balaji.thirumalai
0
answers
Calculate the area of a triangle whose vertices are given by (3,-1,2),(1,-1
physics
noclass
asked
Feb 12, 2020
by
kholiyaritu33
1
answer
(chatquestion)...oment of the trans 1om that...(In this cis trans isomerism possible?)
other
telegram-4578
asked
Feb 12, 2020
by
balaji.thirumalai
0
answers
if a*b=c*d and a*c=b*d then show that the vectors a-d and b-c are parallel
math
noclass
asked
Feb 12, 2020
by
robinsinghfn
1
answer
(chatquestion)...6....(Why didn't we resonate it further)
other
telegram-56561
asked
Feb 12, 2020
by
balaji.thirumalai
0
answers
sources of errors in youngs modulus experiment and how to avoid them
physics
noclass
asked
Feb 12, 2020
by
geffnyatundo99
2
answers
Find the mean deviation and variance of the following distribution. X 2 3 4
noclass
asked
Feb 12, 2020
by
kuciedu25
1
answer
(chatquestion)...14 nidentical cells are joined in series withh two cells A and B with reversed polarities, emf of each cell 4. is E and internal resistance is r. Potential difference across cell A and B is: (n>4) 2e(1-) (1) 11 (2) 2E (4) 2E(1-) (3) nnt passing through
other
telegram-4562
asked
Feb 12, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...155. What will be frequency of dominant allele in a random mating population, in which recessive phenotypes show the frequency 4% :- (1) 6% 163 (2760% (3) 40% (4) 80%
other
telegram-4560
asked
Feb 12, 2020
by
balaji.thirumalai
0
answers
Picture question - class 12 - physics
physics
class12
asked
Feb 12, 2020
by
harshpareek23
0
answers
(chatquestion)...From the following molar conductivities at infinite dilution, 6. A for Al,(SO,), = 858 S cm? mol-1 Am for NH,OH = 238.3 S cm? mol-1 Am for (NH,),SO, = 238.4 S cm? mol-1 %3D Calculate A for AI(OH)3
other
telegram-56555
asked
Feb 12, 2020
by
balaji.thirumalai
1
answer
two bodies of mass 1okg and 2kg moving with velocity 2i-7j+3k
physics
class11
asked
Feb 12, 2020
by
sumanshrana100
1
answer
Some of the CDs produced by a manufacturer are defective. From the product
math
class12
asked
Feb 12, 2020
by
pohinal254
0
answers
Given two events A and B takes place such that: A D B 8 12 C 20 30 Sta
math
noclass
asked
Feb 12, 2020
by
pohinal254
0
answers
The basic component of smog is??
chemistry
noclass
asked
Feb 12, 2020
by
cosmaschacha100
1
answer
(chatquestion)...0,4 Ho0.5 Jo moue block B. lovee of B. foseoged (00(0.1)e(0j00)...(Is it correct ?)
other
telegram-56553
asked
Feb 12, 2020
by
balaji.thirumalai
0
answers
If we roll a dice 10 times, then number of simple events is:
math
noclass
asked
Feb 12, 2020
by
pohinal254
1
answer
State True or False Statement: An independent event is always mutually exc
math
noclass
asked
Feb 12, 2020
by
pohinal254
1
answer
show that the lines x-1/2=y-3/4=-z and x-4/3=1-y/2=z-1 are coplanar.also fi
math
class12
asked
Feb 12, 2020
by
himanshusukhadeve8
0
answers
(chatquestion)...elue mexiliub atank 24V 4v 20V 2008 OV CARSume) 20-0 Conside AB 200 10 0-(-9)=!xK 10 R=40-2 wis...(U can also do it by kirchoff loop rule..)
other
telegram-4535
asked
Feb 12, 2020
by
balaji.thirumalai
0
answers
Picture question - class 10 - math
math
class10
asked
Feb 12, 2020
by
pradumnrai26
1
answer
An Ice-cream cafe has 200 customers every day. 60% of them like vanilla fla
noclass
asked
Feb 12, 2020
by
vvsumanthnekkanti
0
answers
(chatquestion)...(3) 4×10J 27. In the give circuit the ammeter reading is zero. If the value of R is (4) 6×104J 24V 4V (A 2002 (2) 42 (4) 2002 neter reading in the following (1) 402 (3) 1002 www www
other
telegram-4520
asked
Feb 12, 2020
by
balaji.thirumalai
0
answers
If n(a)=4 and n(b)=7 then the maximum and minimum value of n(a union b)=?
math
class11
asked
Feb 12, 2020
by
alokd0497
1
answer
A die rolled ten times . find the no of ways so that outcome always contain
math
class11
asked
Feb 12, 2020
by
choubeysandeep3101
1
answer
Picture question - class 6 - math
math
class6
asked
Feb 11, 2020
by
kaylisuecess
1
answer
(chatquestion)...( Left side of circuit (fig.a) :- two 40 connected in parallel gives 20. This 20 and another 20 are in series. hence net equivalent resistance is 40) (Right side of circuit (fig.b) :- three 30 resistance in parallel which is equivalent to 10) current in the circuit = (13-6)/(1+4+2) = 1 A . %3D Let Vx and VA be the potential at X and A respectively. Then Vx - VA = -6-(4×1) = -10 V. Hence Vx = -10 V because VA = 0 V( earth)
other
telegram-4464
asked
Feb 11, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...Find potential at point 'x' in given circuit :- ww 3Ω 30 3Ω '13V ww (2) – 10 V (1) 10 V (4) – 9 V (3) – 11 V ww
other
telegram-4457
asked
Feb 11, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...For a gaseous phase reaction CI 11 CI Н A,H° = 2.38 kJ %3D CI H. Trans Cis When equilibrium is set up, K = 0.33 %3D Energy involved (in kJ) is a. 0.595 b. 1.785 c. 0.7854 d. 1.5875...(Answer idk)
other
telegram-4445
asked
Feb 11, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...Mulupie CNOICE Questions: Q. 1. When 0.1 mol CoCla(NH)5 is treated with excess ons no of AgNO3, 0.2 mol of AgCl are obtained. The conductivity of solution will correspond to (a) 1:3 electrolyte. bab (c) 1:1 electrolyte. (d) 3:1 electrolyte. v (b) 1:2 electrolyte. 1201
other
telegram-4436
asked
Feb 11, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...A large proportion of oxygen is left unused the human blood even after its uptake by the body tissue. This O, [AIPMT(Pre.) 2011] (1) Helps in releasing more O, to the epithelium tissues (2) Acts as a reserve during muscular exercise (3) Raises the pCO, of blood to 75 mm of Hg (4) Is enough to keep oxyhaemoglobin tansukh paliwal saturation at 96%
other
telegram-4400
asked
Feb 11, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...3- r dB E(r) for r < a Electric field at a point lie inside the cylinder %3D 2 dt => Electric field at B increases as r a? dB E(r) for r> a Electric field at a point lie outside the cylinder 2r dt Electric field at A decreases as Both the electric fields are in clockwise direction. .. Electric field at A as well as at B is directed along 1 F = -qË i.e Fe acts in opposite direction to that of E(r) As force on the electron ... Force on electron placed at A as well as as at B acts along 3 Also F. decreases as for A whereas increases as r for B.
other
telegram-4398
asked
Feb 11, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...2. The number of spinal nerves in human is A 10 pairs 12 pairs в C 43 pairs 31 pairs
other
telegram-4396
asked
Feb 11, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...The brainstem is made up of Midbrain , pons, cerebellum Midbrain , pons, medulla oblongata B Diencephalon, Medulla oblongata, cerebellum Cerebellum, Medulla Oblongata
other
telegram-4384
asked
Feb 11, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...Total number of muscles in our body is (2) 639 muscles, (1) 256 muscles (4) 206 muscles tansukh paliwal (3) 678 muscles
other
telegram-4308
asked
Feb 11, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...A uniform but time varying magnetic field exists (4 40. in cylindrical region and directed into the paper. If field decreases with time and a positive charge is placed at any point inside the region, then it moves :- 3. x x2 4 (1) along 1 (2) along 2 (3) along 3 (4) along 4 ing on 2000 volt and
other
telegram-4306
asked
Feb 11, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...system just after collision is 2r (D) The combined mass (two satellites) will fall towards the earth just after collision. 39. In older times, people used to think that the Earth was flat. Imagine that the Earth is indeed not a sphere of radius R, but an infinite plate of thickness H. What value of H is needed to allow be the same gravitational acceleration experienced as on the surface of the actual Earth? (Assume that the Earth's density is uniform and to equal in the two models.) 2R (A) 3 8R (C) 3. (D) 3. (B)...(Mera answer 1 aa rha h but given 2 h can anyone help)
other
telegram-4302
asked
Feb 11, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...The human ribs are termed as bicephalic because: 1. They have two articulations surfaces on their ventral end 2. They have two articulations surfaces on their dorsal end 3. They have two articulations surfaces on their ventral end and two on dorsal end 4. They have two articulations surfaces on their ventral end and one on dorsal end
other
telegram-4247
asked
Feb 11, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...Symphysis is made of (1) Fibrocartilage (2) Synovial fluid (3) Elatic cartilage *4) Hyaline cartilage
other
telegram-4222
asked
Feb 11, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...O A VOLTE 61% iil.ul 0.00KB/s 12:16 02:59:25 Biology - Finish + 4 Question 91 - 1 The technique by which "Dolly" the sheep was obtained, is termed as Cloning by gene transfer Cloning by nuclear transfer Cloning without the help of gametes Cloning by tissue culture of somatic cells Previous Save & Next
other
telegram-4129
asked
Feb 11, 2020
by
balaji.thirumalai
0
answers
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