Classes

Change the way you learn with Maqsad's classes. Local examples, engaging animations, and instant video solutions keep you on your toes and make learning fun like never before!

Class 9Class 10First YearSecond Year
##### vi. What will be the value of p for a solid for which a has a value of 2 \times 10^{-5} \mathrm{~K}^{-1} ? (a) 2 \times 10^{5} \mathrm{~K}^{-1} (b) 6 \times 10^{-5} \mathrm{~K}^{-1} (c) 8 \times 10^{-15} \mathrm{~K}^{-1} (d) 8 \times 10^{-5} \mathrm{~K}^{-1}

iii. Mercury is used as thermometric material because it has(a) uniform thermal expansion(b) low freezing point(c) small heat capacity(d) all the above properties

8.10 Define latent heat of vaporization.

b) Why small gaps are left at the joints of sections of railway tracks? Explain the phenomenon involved in it.

8.7 Explain the volumetric thermal expansion.

8.1 Encircle the correct answer from the given choices.i. Water freezes at(a) 0^{\circ} \mathrm{F} (b) 32^{\circ} \mathrm{F} (c) -273 \mathrm{~K} (d) 0 \mathrm{~K}

5. A fixed temperature at which a pure liquid boils is calleda) melting pointb) freezing pointc) boiling pointd) Both (a) and (b).