23.Manya was conducting an experiment on various solutions by taking different
amounts of solutes and solvents. She also carried the activity by using some
insoluble substances. The results what she got were varying. In one such
observation she was not able to determine the concentration of solution. Help her
in finding the conclusions based on given data.
Answer any four parts:
a) 100 g of solute was added in 650 g of solution. Calculate the concentration of
solution.
b) List two factors which affect the solubility of a solution.
c) Give any 2 points of difference between true solution and colloidal solution
d) Give any 2 points of difference between suspension and colloidal solution.
e) What is Tyndall Effect?
Answers
Answer:
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Explanation:
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Physics > Force and Pressure > Force and Its Effects
Force and Pressure
Force and Its Effects
On a daily basis, we walk, we run, we play, we sit or stand. In all of these activities, we are changing the state of motion. We are bringing some object to rest or bringing it in motion. What is this called? What’re we actually doing? We’re actually applying ‘Force’ while bringing the object to rest or in motion. But what is a force? What are the effects of force? Let us scroll down and find out.
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What is Force?
A ‘Force’ is a vector quantity that can be described as a push or pull on an object resulting from the object’s interaction with another object. Whenever there is an interaction between two objects, the objects experience an equal and opposing force on each other. In other words both the objects ‘exert force’ on each other. Force only exists as a result of an interaction. If there is no interaction, the objects no longer experience the force. Force is measured in units called Newtons (N), named after the famous scientist Sir Issac Newton.
Check out our detailed article on Force here.
Interactive Nature of Force
For force to exist, there must be an interaction between at least two objects. This interaction between the objects may or may not be physical. Pulling a rope or hitting a ball with a bat come physical interaction whereas forces like the magnetic force, electrostatic force, etc come under non-physical force.
Learn about different types of Forces here.
A force has both magnitude and direction. The magnitude of the force expresses the strength of a force. To completely determine a force both direction and magnitude must be specified; since the direction or magnitude of the applied force changes its effects.