SSC MTS EXAM

SSC

PHYSICS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
PROPERTIES OF SOLIDS
A
SOLIDS HAVE A TEXTURE
B
SOLIDS ARE COMPRESSIBLE
C
SOLIDS HAVE MANY FREE SURFACE
D
SOLIDS HAVE NO FREE SURFACE
Explanation: 

Detailed explanation-1: -That is because solids have a definite shape whereas gases take shape of the container in which it is kept. So, solids can possess any number of free surfaces.

Detailed explanation-2: -It can have any number of free surfaces is solid state.

Detailed explanation-3: -The free surface of a liquid just means the surface that is in contact with air. Like the horizontal surface of water in a glass. Or the top of the ocean where boats float. If you are on the topic of surface tension, then a soap bubble has two free surfaces, the outside and the inside.

Detailed explanation-4: -Gases do not have free surfaces.

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