Mechanical Physics - Study Mode
[#86] The relative density of silver is 10.8. The density of water is 10 3 kgm -3 . What will be the density of silver in SI unit.
Correct Answer
(A) 10.8 × 10 3 kgm -3
[#87] Which of the following increases when the pressure exerted by a solid decreases-
Correct Answer
(C) Area
[#88] When the temperature increases, the angle of contact of liquid
Correct Answer
(A) decreases
[#89] When a cork and a iron nail are placed in a beaker filled with water, the cork floats while the iron nail is submerged. What is the reason behind it?
Correct Answer
(B) The density of iron nail is more than the density of water
[#90] The rain drops are spherical because
Correct Answer
(C) The water has surface tension