• A. $9.27\times {10}^{-24} {\mathrm{Am}}^2$
• B. $9.27\times {10}^{24} {\mathrm{Am}}^2$
• C. $9.27\times {10}^{-24} {\mathrm{A}}^2{\mathrm{m}}^2$
• D. $9.27\times {10}^{-24} {\mathrm{A}}^2{m}^2$

Answer: Option A

Explanation:

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• A. $\tan {\theta }_c=\frac{1}{\mu }$
• B. $\cos {\theta }_c=\frac{1}{\mu }$
• C. $\sin {\theta }_c=\frac{1}{\mu }$
• D. $\cot {\theta }_c=\frac{1}{\mu }$

Answer: Option C

Explanation:

• A. ${\mathrm{g}}^{\text{'}}=\mathrm{g}(1-\frac{\mathrm{g}}{\mathrm{h}})$
• B. ${\mathrm{g}}^{\text{'}}=\mathrm{g}\left(1+\frac{\mathrm{g}}{\mathrm{h}}\right)$
• C. ${\mathrm{g}}^{\text{'}}=\mathrm{g}\left(1+\frac{\mathrm{R}}{\mathrm{h}}\right)$
• D. ${\mathrm{g}}^{\text{'}}=\mathrm{g}\left(1-\frac{\mathrm{h}}{\mathrm{R}}\right)$

Answer: Option D

Explanation:

• A. ${\mathrm{\lambda }}_{\mathrm{c}}=\frac{{\mathrm{m}}_{\mathrm{o}}\mathrm{c}}{\mathrm{h}}$
• B. ${\mathrm{\lambda }}_{\mathrm{c}}=\frac{\mathrm{m}{o}^2\mathrm{c}}{\mathrm{h}}$
• C. ${\mathrm{\lambda }}_{\mathrm{c}}=\frac{\mathrm{h}}{{\mathrm{m}}_{\mathrm{o}}\mathrm{c}}$
• D. ${\mathrm{\lambda }}_{\mathrm{c}}=\frac{{\mathrm{h}}^2}{{\mathrm{m}}_{\mathrm{o}}\mathrm{c}}$

Answer: Option C

Explanation:

• A. $\delta =\frac{\gamma }{2\pi }\times x$
• B. $\delta =\frac{\pi }{\gamma }\times x$
• C. $\delta =\frac{2\pi }{\gamma }\times x$
• D. $\delta =\frac{\gamma }{\pi }\times x$

Answer: Option C

Explanation:

• A. $T=2\pi \sqrt{\frac{m}{k}}$
• B. $T=\frac{1}{2\pi }\sqrt{\frac{m}{k}}$
• C. $T=2\pi \sqrt{\frac{k}{m}}$
• D. $T=\frac{1}{2\pi }\sqrt{\frac{k}{m}}$

Answer: Option A

Explanation:

• A. $N{s}^2{m}^{-2}$
• B. $Ns{m}^{-2}$
• C. $Ns{m}^{-1}$
• D. $N{s}^{-2}{m}^{-1}$

Answer: Option B

Explanation:

• A. Zero
• B. $\frac{{\mu }_{o}ne}{2\pi r}$
• C. $\frac{{\mu }_{o}ne}{2r}$
• D. $\frac{{\mu }_0{n}^{2}e}{2r}$

Answer: Option D

Explanation:

• A. $\frac{qQ}{4\pi {\epsilon }_{0}r}$
• B. $\frac{qQ}{4\pi {\epsilon }_0{r}^2}$
• C. $\frac{qQ}{4\pi {{\epsilon }_0}^2{r}^2}$

Answer: Option B

Explanation:

• A. $\pi -2c$
• B. $\pi -c$
• C. $\frac{\pi }{2}+c$
• D. $2c$

Answer: Option C

Explanation:

• A.
• B.
• C.
• D.

Answer: Option A

Explanation:

• A. ${}^{12}C$
• B. ${}^{14}C$
• C. ${}^{235}U$
• D. ${}^{131}I$

Answer: Option B

Explanation:

• A. $ev/r$
• B. $ev/\left(2\pi r\right)$
• C. $2\pi er/v$
• D. $2\pi ev/r$

Answer: Option B

Explanation:

• A. $0.19$
• B. $1.9 \times {10}^{-4}$
• C. $0.38$
• D. $3.8 \times {10}^{-4}$

Answer: Option B

Explanation:

• A. $5\hat{i} + 7\hat{j} + 9\hat{k}$
• B. $6\hat{i} + 12\hat{j} + 25\hat{k}$
• C. $\hat{i} + \hat{j}$
• D. $\hat{i} + \hat{j} + \hat{k}$

Answer: Option C

Explanation: