• A. $\mathrm{\pi }\times {10}^{-4}\mathrm{Tesla}$
• B. $2\mathrm{\pi }\times {10}^{-5}\mathrm{Tesla}$
• C. $5\times {10}^{-5}\mathrm{Tesla}$
• D. $8\mathrm{\pi }\times {10}^{-5}\mathrm{Tesla}$

Answer: Option D

Explanation:

• A. $\frac{C}{2}$
• B. $\frac{\sqrt{3}}{2}C$
• C. $\frac{C}{4}$
• D. $\frac{3}{2}C$

Answer: Option B

Explanation:

• A. $\frac{\lambda }{4}$
• B. $2\lambda$
• C. $\frac{\lambda }{2}$
• D. $\lambda$

Answer: Option A

Explanation:

• A. $\frac{1}{9}$গুণ
• B. $9$গুণ
• C. $\frac{1}{3}$গুণ
• D. $3$গুণ

Answer: Option B

Explanation:

• A. $\frac{\pi }{30}$
• B. $30\pi$
• C. $60\pi$
• D. $\frac{\pi }{60}$

Answer: Option A

Explanation:

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

Answer: Option C

Explanation:

• A. $\frac{R}{2}$
• B. $\frac{R}{3}$
• C. $\frac{2}{3}R$
• D. $\frac{R}{4}$

Answer: Option C

Explanation:

• A. $4m{s}^{-1}$
• B. $0.5m{s}^{-1}$
• C. $2.0m{s}^{-1}$
• D. $8.0m{s}^{-1}$

Answer: Option C

Explanation:

• A.
• B.
• C.
• D. সবগুলো

Answer: Option D

Explanation:

• A. 0 থেকে $-\frac{1}{2}$
• B. 0 থেকে 1
• C. -1 থেকে $+\frac{1}{2}$
• D. $-\frac{1}{2}$থেকে $+\frac{1}{2}$

Answer: Option D

Explanation:

• A. $6.63\times {10}^{-34}J{S}^{-1}$
• B. $6.63\times {10}^{-34}JS$
• C. $6.63\times {10}^{-11}J{S}^{-1}$
• D. $6.63\times {10}^{-11}JS$

Answer: Option B

Explanation:

• A. $M°L°T^{-1}$
• B. $M{L}^{-1}T$
• C. $M^{-1}{L}^{-1}{T}^{-1}$

Answer: Option A

Explanation:

• A. $\frac{1}{4}$
• B. $\frac{1}{2}$
• C. 2
• D. 4

Answer: Option D

Explanation:

• A. $\lambda$
• B. $\frac{\lambda }{2}$
• C. $\frac{\lambda }{4}$

Answer: Option B

Explanation:

• A. $\frac{\lambda }{2}$
• B. $n\lambda$
• C. $\left(2n+1\right)\frac{\lambda }{2}$
• D. $\left(2n-1\right)\frac{\lambda }{2}$

Answer: Option B

Explanation: