• A.
• B.
• C.
• D.

Answer: Option A

Explanation:

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

Answer: Option A

Explanation:

• 
• A. $1_1>1_2$
• B. $1_2>1_1$
• C. $1_1=1_2$
• D. কোনটিই নয়

Answer: Option B

Explanation:

• A. $\frac{MG{L}_1}{AI}$
• B. $\frac{MGL}{A{I}_1}$
• C. $\frac{MgL}{A\left(L_1-L\right)}$
• D. $\frac{Mg\left(L_1-L\right)}{AL}$

Answer: Option C

Explanation:

• A. $3. 2 x {10}^{-30} kg m/s$
• B. $2. 3 x {10}^{-27} kg m/s$
• C. $3. 2 x {10}^{-27} kg m/s$
• D. $3. 0 x {10}^{-20} kg m/s$

Answer: Option C

Explanation:

• A. $9. 8m{s}^{-2}$
• B. $4. 9m{s}^{-2}$
• C. $39. 2m{s}^{-2}$
• D. $9. 6m{s}^{-2}$

Answer: Option C

Explanation:

• A. $\frac{\mathrm{\pi }}{3600}rad s^{-1}$
• B. $\frac{\mathrm{\pi }}{60}rad s^{-1}$
• C. $\frac{\mathrm{\pi }}{30}rad s^{-1}$
• D. $\mathrm{\pi } rad s^{-1}$

Answer: Option C

Explanation:

• A. $2.5 km{s}^{-1}$
• B. $5 km{s}^{-1}$
• C. $7.1 km{s}^{-1}$
• D. $11.2 km{s}^{-1}$

Answer: Option B

Explanation:

• A. $W=\underset{F}{\to }·\underset{S}{\to }$
• B. $W=FS \cos \theta$
• C. $\underset{W}{\to }=\underset{F}{\to }\times \underset{S}{\to }\cos \theta$
• D. A ও B উভয়ই

Answer: Option D

Explanation:

• A. $\left(E_k\right)max=\frac{1}{2}m{\varpi }^2{a}^2$
• B. $\left(E_k\right)max=\frac{1}{2}m{\varpi }^2{k}^2$
• C. $\left(E_k\right)max=\frac{1}{2}m\varpi a^2$
• D. $\left(E_k\right)=\frac{1}{2}m\varpi K^2$

Answer: Option A

Explanation: