0.57 sec

0.57 min

5.7 sec

0.57 hr

$0.2 C/m^2$

$5 C/m^{2 }$

$0.5 C/m^{2 }$

$2 C/m^2$

22 টি

60টি

20টি

36 টি

$6.266 \times {10}^{12 }km$

$62.266 \times {10}^{12} km$

$6.266 \times {10}^5 km$

$6.266 \times {10}^8 km$

$\sin \propto$

$\cos \propto$

${\sin }^{2 }\propto$

${\cos }^2 \propto$

পাইপেরভেতরে

পাইপেরবাইরে

পাইপেরভেতর ও বাইরে

কোথাও না

protons

extra electrons

missing of holes

missing of electrons

$\frac{{\displaystyle 2}}{{\displaystyle \frac{1}{u}\frac{1}{v}}}$

$\sqrt{uv}$

$\frac{2}{{\displaystyle \frac{1}{u}\frac{1}{v}}}$

কোনটি নয়

Diode

LED

Transistor

কোনটি নয়

6 hr

12 hr

2 hr

18 hr

4 J

4 W

20 J

20 W

8 টি

4 টি

2টি

16 টি

-4 একক

-6 একক

0 একক

1 একক

20 m/s

26.4 m/s

20.6 m/s

1 m/s

$2.035\times {10}^{-6}J$

$2.035\times {10}^{-4}J$

0.035 J

$3.5\times {10}^{-6}J$

টর্ক ও শক্তি

বল ও কাজ জড়তার

কৌণিক ভর বেগ ও ত্বরণ

ভ্রামক ও ক্ষমতা

$1470\Omega , 1330\Omega$

$1450\Omega , 125 \Omega$

$1330\Omega , 1120\Omega$

$1260\Omega , 1030\Omega$

20 kg

26 kg

30 kg

22 kg

-12C

12C

16C

-16C

T

2T

3T

4T

$f^2$

$0.5f^2$

$2f^2$

0.5f

${120}^o$

${160}^o$

$0^o$

${90}^o$

60 years

40 years

45 years

55 years

510 days

562 days

223 days

342 days

11540 cal

15000 cal

12200 cal

12540 cal

7/6

23/48

5/9

12/29

$\left|A\right|\cos \theta$

$\left|B\right|\cos \theta$

$\left|A\right|\sin \theta$

$\left|B\right|\sin \theta$

(3,7)

(-4,3)

(1,4)

(0,6)

$-\frac{1}{4}$

0

$-\frac{1}{4}$

4

2/11

3/11

5/22

1/5

1

2

3

0

${10}^{6 }$

${10}^4$

$3\times {10}^6$

$3\times {10}^4$

$\pi /4$

$\pi /4$

$\pi /2$

$\pi /3$

3/8

7/8

8/3

3/7

3

4

9

12

$60°$

$120°$

$90°$

$180°$

বৃত্ত

সরলরেখা

অধিবৃত্ত

উপবৃত্ত

11 N

9 N

13 N

27 N

p = 9/16

p> 16/9

p< 9/16

p> 16/9

$\frac{\sqrt{3}}{2}$

$\frac{1}{2}$

$\frac{1}{\sqrt{2}}$

$\frac{1}{\sqrt{3}}$

$\sqrt{3}$

$\sqrt{2}$

2

1

-x/2

2/x

-2/x

x/2

$\mathrm{\pi }/2$

$\mathrm{\pi }/4$

$-\mathrm{\pi }/4$

$-\mathrm{\pi }/2$

63

64

56

48

$4∆$

$∆$

$2∆$

None

$\frac{1}{1-x^2}$

$\frac{1}{\sqrt{1+x^2}}$

$\frac{1}{\sqrt{x^2-1}}$

$\frac{1}{1+x^2}$

5

2

32

None

8 গুণ

6 গুণ

9 গুণ

12 গুণ

1

-1

0

-2

11010110

10100110

10011011

10100110

$C{H}_3-COONa$

NaOH or KOH

$C{u}_{2}C{I}_2/HCI$

Cu

44

18

28

16

$C{H}_3-CHO$

$C{H}_3-CO-C{H}_3$

$C{H}_{3}COCI$

$C{H}_{3}C{H}_{2}OH$

0.471 M

0.5821 M

0.5000 M

0.3215 m

4 mL

2 mL

1 mL

20 mL

$2S{O}_2+O_2\iff 2S{O}_3$

$N_2+3H_2\iff 2N{H}_3$

$N_2+O_2\iff 2NO$

$C+O_2\iff C{O}_2$

$F{e}_4 \left[Fe\right(CN{)}_6{]}_3$

$N{a}_4 \left[Fe\right(CN{)}_6]$

$Fe \left[Fe\right(CN{)}_6{]}_3$

$Na \left[Fe\right(CN{)}_6]$

$C + H_{2}O$

$CO + H_2$

$C + 3H_2$

$CO2 + H_2$

$S{O}_2$

$COC{I}_2$

$CC{I}_3-N{O}_2$

$CI{F}_{2}C - CCI{F}_2$

ফেনল

টলুইন

সাইক্লোহেক্সানল

পিকরিক এসিড

$C_3{H}_8$

NO

$C{O}_2$

None

$C_6{H}_{12}{O}_6$

$C_6{H}_{12}{O}_{11 }$

$\left(C_6{H}_{10}{O}_5\right)n$

$C_{12}{H}_{22}{O}_{11}$

$0.4 mol d{m}^{-3}mi{n}^{-1}$

$0.04 mo{l}^{-1}d{m}^{-3}mi{n}^{-1}$

$2 mol d{m}^{-3}mi{n}^{-1}$

$0.04 mol d{m}^{-3}mi{n}^{-1}$

2

3

4

5

গাঢ় $HN{O}_{3 }$

গাঢ় $H_{2}S{O}_4$

লঘু $H_{2}S{O}_4$

গাঢ় $HCI+HN{O}_3$

চুন

$CaC{O}_3$ গুড়া

$MgC{O}_3$ গুড়া

সবকটি

অকটাইল ইথানয়েট

ইথাইল বিউটানয়েট

অ্যামাইল অ্যাসিটেট

সবকটি

693 sec

1.15 sec

69.3 sec

6.93 sec

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

$(C{H}_3{)}_3 C-OH$

$C{H}_3-CH\left(OH\right) -C{H}_3$

$C{H}_3-C{H}_2-C{H}_2-C{H}_2-OH$

0.708 atm

1.707 atm

8.708 atm

1.33 atm

He is being gone to open a shop

A shop is being gone opened by him

A shop will be opened by him

A shop is going to be opened by him

in vogue

along

skin and bone

out of the root

0

2

20

18

at

in

to

on

Noun

Preposition

Adjective

Adverb

Enginearing

Inginering

Engineering

Engeneering

are

is

were

had

more busy

busy

busiest

most busiest

freeze

freezed

froze

freezes

Suspicious

Philosophical

Assumed

Complete