• A. $PV RT$
• B. $P{V}^y=$ ধ্রুবক
• C. $P{V}^{y-1}=$ ধ্রুবক
• D. সব কয়টি

Answer: Option C

Explanation:

• A. 120 J
• B. 240 J
• C. $\frac{2.5}{300}J$
• D. কোনটিই নয়

Answer: Option A

Explanation:

• A. $\frac{6.31\times 1.6\times {10}^{-16}}{6.31\times {10}^{-34}}$
• B. $\frac{6.31\times {10}^{-34}}{6.31\times 1.6\times {10}^{-19}}$
• C. $\frac{1.6\times {10}^{-19}}{6.31\times 6.63\times {10}^{-34}}$
• D. কোনটিই নয়

Answer: Option A

Explanation:

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

Answer: Option B

Explanation:

• A. $E=2{\mathrm{\pi }}^2{\mathrm{a}}^2\mathrm{fp}$
• B. $E=2{\mathrm{\pi }}^2{\mathrm{a}}^2{\mathrm{fp}}^2$
• C. $E=2{\mathrm{\pi }}^2{\mathrm{a}}^2{\mathrm{f}}^2\mathrm{p}$
• D. $E=2{\mathrm{\pi }}^2{\mathrm{a}}^2{\mathrm{f}}^2{\mathrm{p}}^2$

Answer: Option C

Explanation:

• A. $3.0 x {10}^{8}m/s$
• B. $2.67 x {10}^{5}m/s$
• C. $340 m/s$
• D. $0 m/s$

Answer: Option A

Explanation:

• A. $\frac{d^{2}x}{d{y}^2}+{\omega }^{2}x=0$
• B. $\frac{d^{2}x}{d{y}^2}+{\omega }^{2}y=0$
• C. $\frac{d^{2}x}{d{t}^2}+{\omega }^{2}t=0$
• D. $\frac{d^{2}x}{d{t}^2}+{\varpi }^{2}x=0$

Answer: Option D

Explanation:

• A. $8\times {10}^{17}$
• B. $10\times {10}^8$
• C. $10\times {10}^9$
• D. $10\times {10}^{10}$

Answer: Option D

Explanation:

• A. $a{\mu }_b=\frac{{\lambda }_a}{{\lambda }_b }$
• B. $a{\mu }_{}=\frac{{\lambda }_b}{{\lambda }_a}$
• C. $a{\mu }_b=\sqrt{\frac{{\lambda }_b}{{\lambda }_a}}$
• D. $a{\mu }_b={\lambda }_a{\lambda }_b$

Answer: Option A

Explanation:

• A. $3\times {10}^{8}m/s$
• B. $2.25\times {10}^{8}m/s$
• C. $2.25 m/s$
• D. $4.4\times {10}^{-7}m/s$

Answer: Option B

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. $0.60 m{s}^{-1}$
• B. $0.63 m{s}^{-1}$
• C. $0.61 m{s}^{-1}$
• D. কোনোটিই নয়

Answer: Option C

Explanation:

• A. $\left[T^{-1}\right]$
• B. $\left[L{T}^{-1}\right]$
• C. $\left[L^1{T}^{-2}\right]$
• D. $\left[L{T}^{-3}\right]$

Answer: Option A

Explanation:

• A. $\underset{L}{\to }= \underset{r}{\to }\times \underset{p}{\to }$
• B. $\underset{L}{\to }= \underset{p}{\to }.\underset{r}{\to }$
• C. $\underset{L}{\to }= \underset{p}{\to }\times \underset{r}{\to }$
• D. $\underset{r}{\to }.\underset{p}{\to }$

Answer: Option A

Explanation:

• A. $2.5\times {10}^{13} km$
• B. $4.5 \times {10}^{13} km$
• C. $9.5\times {10}^{13} km$
• D. $7.5 \times {10}^{13} km$

Answer: Option C

Explanation: