|
A cube of side 5 cm is immersed in water and then in saturated salt solution. In which case will it experience a greater buoyant force
|
|
1
|
2495
|
March 21, 2018
|
|
Explain, with the help of an example the difference between the terms thrust and pressure. Which one of the two has same SI unit as that of Forc
|
|
1
|
1739
|
March 21, 2018
|
|
State and explain the experiment for verification of Archimedes’ principle. Name the devices based on Archimedes’ principle
|
|
1
|
10560
|
March 21, 2018
|
|
Loaded test-tube placed in pure milk sinks to a certain mark (M)
|
|
1
|
905
|
March 21, 2018
|
|
How is a submarine able to move on as well as go under water?
|
|
1
|
1049
|
March 21, 2018
|
|
Give any three applications of Archimedes’ principle
|
|
1
|
2474
|
March 21, 2018
|
|
State the factors on which buoyant force depends
|
|
1
|
2976
|
March 21, 2018
|
|
State the laws of liquid pressure
|
|
1
|
2418
|
March 21, 2018
|
|
What are the factors which affect the pressure at a point in liquid?
|
|
1
|
522
|
March 21, 2018
|
|
Give an application of density. What are its units?
|
|
1
|
386
|
March 21, 2018
|
|
In the previous question, what will happen if instead of water the glass is filled with
|
|
1
|
522
|
March 21, 2018
|
|
A piece of ice is placed gently on the surface of water in a glass so that when the ice floats, the water conies up to the brim of the glass
|
|
1
|
569
|
March 21, 2018
|
|
The following figure shows' three identical blocks of wood floating in three different liquids A, B and C of densities d1,d2 and d3 respectively. Which of these has the highest density? Give reason to justify your answer
|
|
1
|
1260
|
March 21, 2018
|
|
Why does a camel walk easily on sand but it is difficult for a man to walk on sand though a camel is much heavier than a man?
|
|
1
|
7886
|
March 21, 2018
|
|
State the laws of floatation
|
|
1
|
2623
|
March 21, 2018
|
|
A man squeezes a pin between his thumb and finger, as shown in figure
|
|
1
|
2097
|
March 21, 2018
|
|
During a period of hot weather, the atmospheric pressure on the pond shown in figure remains constant
|
|
1
|
1521
|
March 21, 2018
|
|
Give two practical daily life applications that make use of the concept of pressure
|
|
1
|
339
|
March 21, 2018
|
|
What do you mean by thrust?
|
|
1
|
423
|
March 21, 2018
|
|
When a golf ball is lowered into a measuring cylinder containing water
|
|
2
|
1642
|
November 28, 2016
|
|
Define relative density.Give its mathematical form
|
|
2
|
1413
|
November 28, 2016
|
|
Define thrust and pressure
|
|
2
|
1514
|
November 28, 2016
|
|
With the help of an example
|
|
2
|
360
|
November 28, 2016
|
|
List two differences between thrust and pressure
|
|
2
|
10712
|
November 28, 2016
|
|
A steel needle sinks in water but a steel ship floats. Explain, how?
|
|
2
|
598
|
November 28, 2016
|
|
Why does an iron nail sink and a piece of wood floats?
|
|
2
|
1762
|
November 28, 2016
|
|
Name the forces acting on a body when it is fully or partially immersed in a liquid
|
|
2
|
3515
|
November 28, 2016
|
|
A cubical object of side 4 cm has fallen in a well
|
|
2
|
1112
|
November 28, 2016
|
|
A cubical tub of side 2 m is full of water
|
|
2
|
2885
|
November 28, 2016
|
|
State Archimedes' principle
|
|
2
|
5085
|
November 28, 2016
|
