Density of water is
Select an option to see the answer and solution.
The body is called perfectly plastic body
Select an option to see the answer and solution.
Pressure is a scalar quantity because
Select an option to see the answer and solution.
Why do water droplets always take a round shape when dropped onto plane surfaces?
Select an option to see the answer and solution.
In which situation the molecular attraction is very strong?
Select an option to see the answer and solution.
The force of buoyancy depends on the density and . . . . . . . . of the liquid displaces.
Select an option to see the answer and solution.
Which one of the following statement is not correct?
Select an option to see the answer and solution.
If two miscible liquids of same volume but different densities ρ1 and ρ2 are mixed, then the density of the mixture is given by
Select an option to see the answer and solution.
Assertion (A): An iron ball floats on mercury but gets immersed in water.
Reason (R): The specific gravity of iron is more than that of mercury.
Select an option to see the answer and solution.
Two capillary tubes of different diameters are dipped in water. The rise of water is
Select an option to see the answer and solution.
If two bubbles of soap of different diameter come in contact with a tube, then what will happen?
Select an option to see the answer and solution.
What is the upward pressure generated by an object being placed on a fluid?
Select an option to see the answer and solution.
Soap bubble attains spherical shape due to . . . . . . . .
Select an option to see the answer and solution.
A needle sinks in water whereas a ship made of iron floats on it because
Select an option to see the answer and solution.
How does a blotting paper absorbing ink?
Select an option to see the answer and solution.
Consider the figure of a fountain with four holes, given below.

Which one of the holes in the fountain will throw the water farthest?
Select an option to see the answer and solution.
Match the columns.
| Column I |
Column II |
| a. Linear strain |
1. Change in the shape without changing its volume |
| b. Volumetric strain |
2. Change in length alone |
| c. Shearing strain |
3. Change in volume |
| d. Young's modulus |
4. Ratio of normal stress to longitudinal strain |
Select an option to see the answer and solution.
A man standing close to the platform at a railway station experiences a pulling force towards a fast moving train because of . . . . . . . .
Select an option to see the answer and solution.
An iron needle floats on the surface of water due to
Select an option to see the answer and solution.
When an object sinks, the up thrust of the fluid on the object is:
Select an option to see the answer and solution.