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সকল বিষয়

  11000002
101101012 
 10000102
 11111111 
শুন্য মাধ্যমে ফোটন আলোর বেগ চলে
ফোটনের ভরবেগু ও শক্তি নেই
ফোটন কণা এবং তরঙ্গ উভয় ধর্ম প্রদর্শন করতে পারে
ফোটনের ভর শুন্য
Cv=(x-1)R
  Cv=R/(x-1)
   Cv=R/(1-x)
 Cv=R/(1+R)
HClO4>HNO3>H2SO3 >H2SO4
HNO3> H2SO3>H2SO4>HClO4
H2SO3>H2SO4>HClO4>HNO3
HClO4>H2SO4>HNO3>H2SO3
-173.0 kJ mol-1 
   -394.0 KJ mol -1
373.0 KJ mol-1
   394.0kJ mol-1
H3C+
  (CH3)2HC+
 H3C-H2C+  
      (CH3)3C+
Created: 2 months ago | Updated: 4 days ago
An enzyme
A non - caloric sweetener
An amino acid
An anti-oxidant
UV-radiation
CFC -12
Cl
CO
Super Saturated
Unsaturated
saturated
All of them
Nitrogen
Phosphorus
Sulphur
Oxygen
Al2O3.2SiO2.2H2O  
  Al2O3.3 SiO2.3SiO2. H2O 
     Al2O3.2SiO2. 3 H2O  
    K2O. Al2O3.6SiO2
Catalyst Only
Temperature only
Prssure only
Temperature ,pressure and cataslyst
Butan -1 -01
Butan -2 -01
2 - methy lpropan -1 -01
2- methylpropan -2-01
   CO2
 SO2
  H2O 
CH2O
Methane
Ethane
Butane
Pentane
copper
Chromium
Sodium
Calciam

H2<N2<CO2<NH3

 H2<NH3<N2<CO2

      CO2 > NH3 >H2> N2

    N2> H2> CO2> NH3

Created: 2 months ago | Updated: 3 days ago
π
2π
π2 
 π4
Created: 2 months ago | Updated: 3 days ago
π6,π3
    π4,π3
   π6,π5
  π6,π4
495
4223
-1760
১৭৬০
  a.b=0 
  ab=0 
 (a+b).(a-b)=0 
 (a+b)(a-b)=0 
(332,32) 
 (332,32)
 (-332,32)
  (-332,32)
x2+y2+8x -2y + 51 = 0 
x2+y2 -8x-2y+51=0
x2+y2 + 8x + 2y -51
 x2+y2-8x-2y -51=0
Created: 2 months ago | Updated: 3 days ago
   8536
 3685 
 109
910
Created: 2 months ago | Updated: 4 days ago
2sin2x
1
cos2x
-<x4;0y<
-<x<4;0<y<
-<x<4;0y<
-<x4; 0 <y <
Created: 2 months ago | Updated: 3 days ago
 76
 -76 
1
-1
(2,3)
(16,9)
(2,10)
(2,7)
1,0
   1,  π2
1,π
1,3π2 
Created: 2 months ago | Updated: 4 days ago
|x +3| <4
|x + 1|< 3
|x+4|<3
|x-4|<1
  23unit2  
   -23 unit2
  32unit2 
  13unit2
Created: 2 months ago | Updated: 3 days ago
sin(xex) 
tan(xex) 
  cot(xex) 
sec(xex)
Created: 2 months ago | Updated: 3 days ago
  12f2(x)
 12x2
     12[{f(x)2  -{f(0)}2]     
f(x) -f(0)
Created: 2 months ago | Updated: 3 days ago
  252
25
50
5
Created: 2 months ago | Updated: 6 hours ago
hot mudflows
stinking mud
stinking muck
melted rock
Created: 2 months ago | Updated: 6 hours ago
erupt
Eject
extinguish
exude
Created: 2 months ago | Updated: 6 hours ago
chiefly
mostly
Predominantly
generously
Two smajor causes of Lusi's eruption have been confirmed
Lusi caused thousands of people to leave their homes
Mud volcanoes are not uncommon in the world.
Drilling for natural gas might have caused the volcano
গাছের মাথায় মাথায় ফুল
পথের ধারে ধারে শিমুল
এক এক স্থানে এক এক রকম
মনে মনে ‍তুলনা করে দেখলাম
সৈনিকের
দেশপ্রেমিকের
বিদ্রোহীর
বনের পাখির
সন্ধিযোগে
সমাসযোগে
প্রত্যয়যোগে
উপসর্গযোগে
unleashed
unearthed
unied
undercut
to setarating
Separating
setaparate
Separated
Robert Hooke
Robert Brown
K.R.Poeter
Antony Von Leeuwenhoek
দেহ থ্যালয়েড (Body thalloid)
দেহ ভাস্কুলার (Body vascular)
দেহ গ্যামোটোফাইট (Body gametophyte)
অপুষ্পক (Non flowering)
স্ক্যাপুলা (Scapula)
হিউমেরাস (Humerous)
রেডিও-আলনা (Radio-ulna)
পেলভিক গার্ডেল (Pelvic girdle)
100Hz & 14.14 A
200 Hz & 15 A
100 Hz and 20 A
50 Hz and 14. 14 A
214Po(Z=84)
210 Pb(Z=82)
214At(Z=85) 
210Bi(Z=83)
Created: 1 month ago | Updated: 6 hours ago
1,2 -methyl-4-butyl benzene
1-butyl-3,4-dimethyl benzene
1,2,4 -dimethyl butyl benzene
methyl butyl benzene
বৃদ্ধি পায়
অপরিবর্তিত থাকে
কমতে থাকবে
বলা সম্ভব নয়
Created: 1 month ago | Updated: 8 hours ago
An enzyme
A non-caloric sweetener
An amino acid
An anti -oxidant
Sn is oxidized
Cl is oxidized
Fe is oxidized
Cl is reduced
3< x<4
19>x>110
19>x>110 19<x<16  
13<x<12
60°
 30°  
  90°
120°
16 n (n+1)(2n+1)
   12n (n+1)(n+2) 
16n (n+1)(n+2) 
16n (n +1) (n +2) (n +3) 
Created: 2 months ago | Updated: 6 hours ago
Indonesia's nine-year-old volcano's eruption
Mud versus usual volcanoes in science
Indonesia's mud volcano and its causes
Why Indonesia's dormant volcano became active

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