In this note we will discuss about the very important points on the refraction of light , every students must keep it in the mind . It is use ful for objective point of view. Keep in your mind- Some important thing for refraction of light. 1. Refractive index µ=c/v where c is the velocity […]
This assignment contains Important numericals of surface tension which is solved . solution is given just below the questions. 1.The surface tension of the soap solution is 30 x 10-3N/m .How much work is done to increase the radius of the soap bubble from 1.5 cm to 3 cm . Ans- 5.091 x 10-4 j. […]
This assignment contains some important questions based on the surface tension, in which there are some objective and some numericals based questions. these questions are for the practice of the topic surface tension and surface energy, excess pressure inside the liquid drop, soap bubble , ascent formula etc. Question based on surface tension and surface […]
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Surface energy
Before to learn or to know surface energy students must know surface tension. To know about the surface tension click here- Surface energy- It is given as the work done to increase the unit area of a liquid .Or, It is the energy required to remove a molecule completely from a liquid. Or, The molecules at […]
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Surface tension
Surface tension– It is the property of a free surface of liquid to get minimum surface area . The property of a liquid at rest by virtue of which its free surface behaves like a stretched elastic membrane and tries to occupy as small an area as possible called surface tension. As we know in […]
This assignment contains Important objective questions of mechanical properties of fluid , based on pressure atmospheric pressure , Pascal’s law , buoyancy etc. It will be beneficial for the students preparing for 11th , NEET / JEE and other examination. Mechanical properties of fluids Questions based on fluid pressure , atmospheric pressure, Pascal’s law 1 […]
This is the assignment for the practice of objective questions of mechanical properties of solids. Students can consider it as a test paper of the chapter mechanical properties of solids. 1. Breaking stress depends on (a) length of wire (b) Area of cross-section of wire (c) both a and b (d) independent of length and […]
This assignment contain Important questions of elasticity ( Mechanical properties of solids) 1. what is more elastic water or air? 2. Write copper,steel,rubber and glass in the increasing order of their elasticity. 3.How do modulus of elasticity of a material changes with temperature? 4. The breaking force for a wire is F, what will be […]
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Life process
This assignment belongs to the class 10th science chapter-6 , Life process. All important question belongs to this chapter is given here. After solving this question , students can improve the chapter Life process , and can prepare for board examination. To get the Important questions of METALS AND NON METALS CLICK HERE- Life […]
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Metals and Non-metals
This assignment provide the important question of class 10 chapter -3 ( Metals and Non-metals) Before to solve the assignment of this chapter student may solve the assignment of first chapter CLICK HERE- To solve the assignment of chapter -2, (acids bases and salts ) – CLICK HERE- Multiple choice Questions Select odd one from […]