for ,them

for , Against

to ,Of

for , of

be, At

I might make a good result

I could make a good result

I might have made a good result

I would make a good result

I had made a good result

properly parked his coach

qualities and demerits

provided him easy jobs

given him good posts

been a benefactor

looking at a zoo animal in its hut

tired of looking at a zoo animal

requesting khorshed to repair the bed

to some extent him/herself a zoo animal

meeting a zoo animal in its sleeping hut

a,e

c,e

a,d

b,c

b,d

danger

warning

predator

disguise

attack

goes to office

carns money

peddlcs

treats children

walks

subtropical area

tropical area

equatorial area

sub-saharan area

subterranean area

fowl and spice

crance and carrot

cheetah and onion

camel and capsicum

tiger and tomato

is old

has no rules

originates from people's heart

is not impacted by pop songs

stands apart from classical music

$0,\infty$

$\infty ,\frac{h}{2}$

$0,\frac{h}{2}$

$\infty ,o$

$\frac{h}{2},0$

$57°$

$58°$

$53°$

$55°$

$56°$

ধনাত্মক

অসীম

ঋণাত্মক

অনির্ণেয়

শূন্য

9216 J

2304 J

-2304 J

-1329 J

4000 J

রৈখিক ভরবেগ

শক্তি

কৌণিক ভরবেগ

গতিশক্তি

যান্ত্রিক শক্তি

6 KT

3 KT

2 kT

$\frac{3}{2} KT$

$\frac{1}{2} KT$

$y =a \sin (kx - \varpi t)$

$y =a \sin (kx + \varpi t)$

$y =A{c}^{-c} (x - vt{)}^2$

$y =a \sin kx \cos \varpi t$

$y=a \cos \frac{2\pi }{\lambda }(x-vt)$

$0°$

$30°$

$60°$

$45°$

$110°$

12 J

24 J

48 J

-12 J

-24 J

( 160 ,-37)

(-160, 40 )

(170, -60)

( 277, -37)

( 170, 60)

প্রোটন

ইলেক্ট্রন

নিউট্রিনো

নিউট্রন

$\alpha$- কণা

$2\pi$

$\pi /2$

$\pi$

$3\pi /2$

$\pi /3$

N

$\frac{N.m}{c}$

V/C

J

J/S

$E~\frac{1}{r^2} , V~\frac{1}{r}$

$E~\frac{{\displaystyle 1}}{{\displaystyle r^3}} , V~\frac{{\displaystyle 1}}{{\displaystyle r^2}}$

$E~\frac{{\displaystyle 1}}{{\displaystyle r^3}} , V~\frac{{\displaystyle 1}}{{\displaystyle r}}$

$E~\frac{{\displaystyle 1}}{{\displaystyle r}} , V~\frac{{\displaystyle 1}}{{\displaystyle r^2}}$

$E~\frac{{\displaystyle 1}}{{\displaystyle r^2}} , V~\frac{{\displaystyle 1}}{{\displaystyle r^3}}$

4,58,273.16

4,58,273.15

5,58,0

4.58 , 273.0

5.58,273 .16

আয়তাকার অধিবৃত্ত

P - অক্ষের সমন্তরাল সরলরেখা

উপবৃত্ত

পরাবৃত্ত

V - অক্ষের সমান্তরাল সরলরেখা

8000 m/s

4000 m/s

1000 m/s

2000 m/s

16000 m/s

$\pi$

$\frac{\mathrm{\pi }}{2}$

$\frac{\mathrm{\pi }}{4}$

$\frac{\mathrm{\pi }}{8}$

$2\mathrm{\pi }$

3.94

2.12

5.51

6.82

1.95

16 J

10 J

24 J

12 J

20 J

$C{H}_3-CH-CH-CH(C{H}_3{)}_2$

$C{H}_3-C{H}_2-CH=C(C{H}_3{)}_2$

$C_4{H}_{9}CH=C{H}_2$

$C_2{H}_5\left(C{H}_3\right)C=CH-C{H}_3$

$(C{H}_3{)}_{2}C=C(C{H}_3{)}_2$

2

3

5

4

6

n - অক্টেন

2,2,4 ট্রাইমিথাইল পেন্টেন

2,2,3,3 টেট্রামিথাইল বিউটেন

3,3 -ডাইমিথাইল হেক্সেন

3 - মিথাইল পেন্টেন

$H_{2}O$

$H_3{O}^{+}$

$H^{+}$

$S{O^{2-}}_4$

$H_{2}S{O}_4$

49

16.4

517

155

713

4.45

5.05

9.25

8.95

9.55

H - H

C - H

S -H

N - H

H -Br

0.09

0.27

1.35

0.90

2.7

$1s^{2}2s^{2}2p^6 3s^1$

$1s^{2}2s^{2}2p^4$

$1s^{2}2s^{2}2p^2$

$1s^{2}2s^{2}2p^6 3s^2$

$1s^{2}2s^{2}2p^3$

$0.6\times {10}^{-8}$

$6.0\times {10}^{-15}$

$5.4\times {10}^{-8}$

$5.4\times {10}^{-15}$

$6.0\times {10}^{-10}$

1

2

4

3

5

$C{H}_3 C{H}_{2}C{H}_{2}C{H}_2-COOH$

$C{H}_3 C{H}_{2}CH\left(Cl\right)H_2-COOH$

$C{H}_3 C{H}_{2}CH\left(Cl\right)CH\left(F\right)-COOH$

$C{H}_3 C{H}_{2}CH\left(F\right)CH\left(Cl\right)-COOH$

$C{H}_3 C{H}_{2}CH\left(C{H}_3\right)CH\left(Cl\right) -COOH$

ইলেক্ট্রনাকর্যী যুত

ইলেক্ট্রনাকর্যী প্রতিস্থাপন

নিউক্লিওফিলিক বিয়োজন

নিউক্লিওফিলিক সংযোগ

নিউক্লিফিলিক প্রতিস্থাপন

$3\times {10}^{-4}$

$1.0\times {10}^{-4}$

$1.0\times {10}^{-5}$

$9.0\times {10}^{-4}$

$3.0\times {10}^{-5}$

$4.62\times {10}^{-4}$

$1.14\times {10}^{-2}$

6.9

$28\times {10}^{-2}$

$1.69\times {10}^2$

$1 at{m}^{-1}mo{l}^{-1}{k}^{-1}$

$J mol.K^{-1}$

$Cal mo{l}^{-1}K$

$erg.mol.K$

$1.atm.mo{l}^{-1}{K}^{-1}$

$SiC{l}_4$

$BC{l}_3$

$S{F}_6$

$PC{l}_5$

$B{H^{-}}_4$

22.4

33. 75

67. 2

45.0

122.5

$100°$

105

$109°$

$107°$

$120°$

Li, Be

Mg, Al

B,Si

Be,Si

O,S

$\frac{1}{a}{\tan }^{-1}\left(e^{ax}\right)+c$

$\frac{{\displaystyle 1}}{{\displaystyle a}}co{t}^{-1}\left(e^{ax}\right)+c$

$\frac{{\displaystyle 1}}{{\displaystyle a}}co{t}^{-1}(1+e^{ax})+c$

$\frac{{\displaystyle 1}}{{\displaystyle a}}{\tan }^{-1}(1+e^{ax})+c$

$1n{\tan }^{-1}\left(e^{-ax}\right)+c$

$\frac{32}{3}\mathrm{\pi }$

$\frac{{\displaystyle 19\sqrt{3}}}{{\displaystyle 3}}\mathrm{\pi }$

$\frac{{\displaystyle 32\sqrt{3}}}{{\displaystyle 9}}\mathrm{\pi }$

$\frac{{\displaystyle 32\sqrt{3}}}{{\displaystyle 3}}\mathrm{\pi }$

$\frac{{\displaystyle 19\sqrt{5}}}{{\displaystyle 3}}\mathrm{\pi }$

$-1,\frac{2}{5}$

$1, -\frac{{\displaystyle 2}}{{\displaystyle 5}}$

$1, -\frac{{\displaystyle 5}}{{\displaystyle 2}}$

$-1, \frac{{\displaystyle 2}}{{\displaystyle 5}}$

$2,\frac{{\displaystyle 2}}{{\displaystyle 5}}$

$\frac{a}{b}$

$\frac{{\displaystyle b}}{{\displaystyle a}}$

$\frac{{\displaystyle a}}{{\displaystyle b}}$

$\frac{{\displaystyle 2b}}{{\displaystyle a}}$

$\frac{{\displaystyle a^2+b^2}}{{\displaystyle b}}$

4x + 3y =0 , 3x +4y =0

4x +3y +5 =0 , 4x +3y -5=0

4x + 3y +20 =0, 4x +3y -20=0

4x +3y +8 =0 ; 4x + 3y -12=0

4x + 3y=0; 4x +3y -20 =0

$y = 2x^2 -3x+2$

$y = 2x^2 +x-1$

$y = 2x^2 -2x+2$

$y = 2x^2 -x+1$

$y = 3x^2 +x-2$

5,25

$-\frac{25}{3},-\frac{5}{3}$

$25,-\frac{5}{3}$

$5,-\frac{25}{3}$

$25,\frac{5}{3}$

$\frac{1}{3}$

$\frac{{\displaystyle 4}}{{\displaystyle 3}}$

$\frac{{\displaystyle 4\mathrm{\pi }}}{{\displaystyle 3}}$

$\frac{{\displaystyle \mathrm{\pi }}}{{\displaystyle 3}}$

$\mathrm{\pi }$

24

32

48

40

60

$145°$

$185°$

$215°$

$192°$

$245°$

$p+\pm 2q$

$q=\pm \sqrt{2p }$

$q=\pm 4q$

$q=\pm 2q$

$p=\pm 4q$

$(-\infty ,2)$

(-1,2.2)

(-1/2 ,1)

(-1/2 ,3)

$(-1/2)U( (1,2)$

(-1.0)

[-1.0]

(-0.5,0)

[0,1]

[-.5,0]

5

8

12

10

13

y= 1nx (x-1) +3

y = x 1nx + 3

y = x(1nx-1) -3

y =x 1nx -3

y =x (1nx -1) +3

$\frac{4}{\mathrm{\pi }}$

$\frac{\mathrm{\pi }}{4}$

$\frac{2}{\mathrm{\pi }}$

$\frac{\mathrm{\pi }}{2}$

$\mathrm{\pi }$

$4\mathrm{\pi }$

$2\mathrm{\pi }$

$\mathrm{\pi }$

$2\mathrm{\pi }$

$3\sqrt{3}\mathrm{\pi }$

142

-374

449

374

524

$\sqrt{30}$

$2\sqrt{14}$

$2\sqrt{2}$

56

$2\sqrt{7}$

$(5\sqrt{2},\mathrm{\pi }/4)$

$(5/\sqrt{2},0)$

$(5/\sqrt{2}, \mathrm{\pi }/2)$

$(5/\sqrt{2}, \mathrm{\pi }/4)$

Try your self