MCQ
The internal energy of a substance
- ✓Increases with increase in temperature
- BDecreases with increase in temperature
- CCan be calculated by the relation $E = m{c^2}$
- DRemains unaffected with change in temperature
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(Round off to the Nearest Integer).
[Use : $\sqrt{3}=1.73, h =6.63 \times 10^{-34} Js$ $m _{ e }=9.1 \times 10^{-31} kg ; c =3.0 \times 10^{8} ms ^{-1}$ $\left.1 eV =1.6 \times 10^{-19} J \right]$
