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NEB Class 12 Physics Model Question Paper with Solutions – 2079
Following is the solved question paper of Physics Model Question prepared by National Examination Board (NEB) for Grade XII students of 2079 (2023) batch.
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NEB Class 12 Physics Model Question Paper with Solutions – Set 1
Q 12 a) Define surface tension. Solution: Surface tension is defined as the property of fluid by virtue of which its surface acts as a stretched membrane and it tends to acquire minimum surface area. Q 12 b) Establish a relation between surface tension and surface energy of a liquid. Solution: Surface energy of a…
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NEB Class 12 Chemistry Model Question Paper with Solutions – Set 1
Q 12) Solubility product principle and common ion effect helps to predict the formation of precipitate. a) What do you mean by common ion effect? Explain with suitable example. Solution: The suppression of dissociation of a weak electrolyte when a strong electrolyte is added to its solution having a common ion. For example: The dissociation…
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NEB Class 12 Mathematics Board Question Paper with Solutions – 2078
Q 12 a) Define binomial expansion. Solution: Binomial expansion is defined as a way for expansion of an algebraic expression containing two terms raised to its nth power. For example, binomial expansion of $$\rm (a + x)^n = ^nC_0 a^nx^0 + ^nC_1 a^{n-1}x^1 + ….. + ^nC_r a^{n – r} x^r + ….. + ^nC_n…
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NEB Class 12 Physics Board Question Paper with Solutions – 2078
Q 12) The angular speed is inversely proportional to the moment of inertia, that is given by principle of conservation of energy. a) In a flywheel, most of the mass is concentrated at the rim? Explain why. Solution: Most of the mass is concentrated at the rim in a flywheel to increase its moment of…
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Nepal Physics Olympiad (NePhO)
Nepal Physics Olympiad (NePhO) is a yearly national competition in Physics, organized by Nepal Physical Society.
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Mathematics Multiple Choice Objective Questions
This is class 10 mathematics MCQ/ multiple choice questions from the first part of Mathematics. This is mathematics multiple choice questions/ objective questions with solutions of Tax and Money Exchange, Successive Discount, Compound Interest, Population Growth and Depreciation chapters. MULTIPLE CHOICE QUESTIONS 1. If the discount amount given in an item is 25% of its selling price, then the actual…
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Simple Machine Science Notes Class 9
Those machines which are simple in construction, and make our work easier and faster are called simple machines.
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Online Simple and Easy Trigonometry Test for Beginners
ALL THE BEST Q1) Which one of these are correct? sin(-A) = sinA cos(-A) = cosA tan(-A) = tanA cot(-A) = cotA opt1 Q2) In a right angled triangle,what is the side opposite to the right angle called? Hypotenuse Base Perpendicular None of the above opt1 Q3) If sinx -cosx = 0, what is the…