MCQ
Change of state from solid to vapour state without passing through the liquid state is called:
- ARegelation.
- ✓Sublimation.
- CCondensation.
- DSedimentation.
✓
Answer
Correct option: B.
Sublimation.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
The electric field at the origin is along the positive x-axis. A small circle is drawn with the centre at the origin cutting the axes at points A, B, C and D having coordinates (a, 0), (0, a), (-a, 0), (0, -a) respectively. Out of the points on the periphery of the circle, the potential is minimum at.
The path of a projectile in the absence of air drag is shown in the figure by dotted line. If the air resistance is not ignored then which one of the path shown in the figure is appropriate for the projectile
In circular motion, the centripetal acceleration is given by
The effect of temperature on Maxwell's speed distribution is correctly shown by
Let $\bar v,\;{v_{rms}}$ and ${v_p}$ respectively denote the mean speed, root mean square speed and most probable speed of the molecules in an ideal monoatomic gas at absolute temperature $T.$ The mass of a molecule is $m.$ Then
→A car starts from rest from origin $O$ and continues to move till point $C$ as shown in the graph. Select the correct statement about the motion of car as shown in the graph. 
→A $^{238}U$ nucleus decays by emitting an $\alpha$ particle of speed $v\,m{s^{ - 1}}$. The recoil velocity of the residual nucleus is (in $m{s^{ - 1}}$)
→$A$ cylinder and a ring of same mass $M$ and radius $R$ are placed on the top of a rough inclined plane of inclination $\theta$ . Both are released simultaneously from the same height $h$. Choose the correct statement $(s)$ related to the motion of each body
→The kerosene oil rises up in the wick of a lamp ...........
Two coherent sources of different intensities send waves which interfere. The ratio of maximum intensity to the minimum intensity is 25. The intensities of the sources are in the ratio: