• A. $2T$
• B. $\frac{T}{\sqrt{2}}$
• C. $\frac{T}{2}$
• D. $\sqrt{2}T$

Answer: Option D

Explanation:

• A. $qE$
• B. $q/E$
• C. $E/q$
• D. $q^2/E$

Answer: Option A

Explanation:

• A. $\left[M{L}^{-2}{T}^{-2}\right]$
• B. $\left[M{L}^{-1}{T}^{-2}\right]$
• C. $\left[M{L}^{-2}{T}^{-1}\right]$
• D. $\left[M{L}^{-1}{T}^{-1}\right]$

Answer: Option D

Explanation:

• A. $\left(300-400\right)c{m}^{-1}$
• B. $<1000c{m}^{-1}$
• C. $\left(1000-4000\right)c{m}^{-1}$
• D. $<4000c{m}^{-1}$

Answer: Option C

Explanation:

• A. $\left[M{L}^2{T}^{-1}\right]$
• B. $\left[ML{T}^1\right]$
• C. $\left[L{T}^2\right]$
• D. $\left[ML{T}^2\right]$

Answer: Option A

Explanation:

• A. $0°$
• B. $60°$
• C. $90°$
• D. $180°$

Answer: Option D

Explanation:

• A. $9\times {10}^{11}V$
• B. $0.9\times {10}^{11}V$
• C. $9\times {10}^{12}V$
• D. $0.9\times {10}^{10}V$

Answer: Option A

Explanation:

• A. $CaC{o}_3$
• B. Cu
• C. $C_2{H}_{2}OH$
• D. NaoH

Answer: Option D

Explanation:

• A. $132.44\times {10}^4{m}^{-1}$
• B. $114.95\times {10}^4{m}^{-1}$
• C. $142.86\times {10}^4{m}^{-1}$
• D. $122.39\times {10}^4{m}^{-1}$

Answer: Option C

Explanation:

• A. $MLT$
• B. $ML{T}^{-1}$
• C. $M{L}^{-1}{T}^{-1}$
• D. $M{L}^{-1}{T}^{-2}$

Answer: Option B

Explanation:

• A. $10 m{s}^{-1}$
• B. $20 m{s}^{-1}$
• C. $40 m{s}^{-1}$
• D. $\mathrm{\pi } m{s}^{-1}$

Answer: Option B

Explanation:

• A. ভর $4kg$ ও বেগ $5m{s}^{-1}$
• B. ভর $2kg$ ও বেগ $6m{s}^{-1}$
• C. ভর $3kg$ ও বেগ $6m{s}^{-1}$
• D. ভর $5kg$ ও বেগ $4m{s}^{-1}$

Answer: Option C

Explanation:

• A. $R=\frac{f}{F}\times 100\%$
• B. $R=\frac{F}{f^2}$
• C. $R=\frac{F}{f}\times 100\%$
• D. $R=\frac{f^2}{F}$

Answer: Option A

Explanation:

• A. $1Bq=2.7\times {10}^{-11}{C}^{\mathcal{i}}$
• B. $1C\mathfrak{i}=3.7\times {10}^{-11}Bq$
• C. $1C\mathfrak{i}=3.7\times {10}^{-9}Bq$
• D. $1Bq=3.7\times {10}^{-11}C\mathfrak{i}$

Answer: Option A

Explanation:

• A. $1 :\sqrt{8}$
• B. $1 :\sqrt{2}$
• C. $1 : 8$
• D. $1 : 2$

Answer: Option A

Explanation: