\(21.10Nm^{-2}\)
\(24Nm^{-2}\)
\(39.07Nm^{-2}\)
\(45Nm^{-2}\)
\(97.25Nm^{-2}\)
Correct answer is B
\(\frac{P_1}{T_1}=\frac{P_2}{T_2};P_2= \frac{22.5\times320K}{300K}=24Nm^{-2}\)
\(\frac{76\times500}{72}cm^3\)
\(\frac{72\times500}{76}cm^3\)
\(\frac{72\times76}{500}cm^3\)
\(\frac{76}{72\times500}cm^3\)
\(\frac{72}{76\times500}cm^3\)
Correct answer is B
\(P_1V_1=P_2V_2, V_2= \frac{72\times500}{76}cm^3\)
1.5 x \(10^6Jkg^-1\)
1.35 x \(10^6Jkg^-1\)
1.5 x \(10^5Jkg^-1\)
4.5 x \(10^2Jkg^-1\)
3 x \(10^2Jkg^-1\)
Correct answer is A
Pt=mI; I=\(\frac{1500\times300}{0.3}=1.5\times10^6Jkg^-1\)
9000J
12600J
21000J
25200J
88200J
Correct answer is B
No explanation has been provided for this answer.
1.2 x \(10^{-5}K{-1}\)
2.5x \(10^{-5}K{-1}\)
3.5x \(10^{-5}K{-1}\)
4.5x \(10^{-5}K{-1}\)
5x \(10^{-5}K{-1}\)
Correct answer is E
\(\alpha = \frac{I_2-I_1}{I_1(\theta_2-\theta_1)} \\ \Rightarrow \frac{40.05 - 40}{40 \times (45-20)} = 5.0 \times10^{-5}\)