DELTA UNIVERSITY FOR SCIENCE AND TECHNOLOGY FACULTY OF PHARMACY Practical Physics I Fall 2012 [PRACTICAL PHYSICS I] Contents Fall 2012 (1) Fine Measurement Apparatuses --------------------------------------------------------------------------- 2 (2) Determination of the Mechanical Equivalent of Heat (Joule’s Law) by Electrical Method 12 (3) Determination of the Melting Point of a Solid Material ------------------------------------------ 15 (4) Determination of the Specific Gravity
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The PSBB Millennium School Geruhambakkam Chennai XII Physics Worksheet Electric charges and field 1. 1. An oil drop of 12 excess electrons is held stationary under a constant electric field of 2.55x104 v/m. The density of oil is 1.26 gm/cc. Estimate the radius of the drop.[Ans:1.428x10-6m] 2. Two small spheres each of mass 10-6kg are suspended from a point by silk threads 50 cm long. They are equally charged and repel to a distance of 20cm.Calculate
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Physics Moment of a force: Moment of a force = force x perpendicular distance of the line if action if the force from fulcrum Law of moments: When a body is in equilibrium the sum of the clockwise moments about any point equals the sum of the anticlockwise moments about the same point. Centre of mass: Centre of mass is the point where whole mass of the body assumes to be concentrated. II. If the vertical line through the centre of mass is outside the base it will be a topples but if it’s passed
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resistance‚ uniform gravity‚ etc.) ! ! ! ! ˆ ˆ 1) Let A = !3i + 4 ˆ and B = i + 2 ˆ . What is A • B ? j j (A) 3 (B) 5 (C) 8 (D) None of these. 2) A particle moving along the x axis has a potential energy given by the function U(y) = -5x4‚ where x is in meters and U is in joules. What is the x-component of the force acting on the particle at x = 2 m? (A) -160 N (B) -80 N (C) 160 N (D) None of these. 3) A railroad tank car contains milk and rolls at constant speed along a straight level
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(Kinetics of a Particle : Work and Energy) and Chapter 18 (Planar Kinetics of a Rigid Body : Work and Energy) In the Mechanic Dynamics subject‚ monitored by Dr. Faisal Mohamad Ayob‚ I have learnt about the Kinetics of a Particle : Work and Energy of Chapter 14 and Planar Kinetics of a Rigid Body : Work and Energy of Chapter 18. Between these two chapters‚ I found out that they have some similarities and differences that can be compared. In Chapter 14 which is Kinetics of a Particle : Work and Energy
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Required Vocabulary – IB 12 Higher Level Physics and Physical Measurement 1. Fundamental Units – seven basic units of the SI measurement system: kilogram‚ second‚ mole‚ meter‚ ampere‚ Kelvin‚ candela. 2. Derived Units – units that are combinations of fundamental units. These combinations may or may not have a separate name. (eg. 1 kg m/s2 = 1 N) 3. Accuracy - An indication of how close a measurement is to the accepted value (a measure of correctness). 4. Precision - An indication
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know has the job of cleaning up our rooms. And that’s about it. It drives out the dust and other particles that we do not want in our room which mainly includes waste. The broom shares a similarity with alum. Alum attracts all the particles towards it self (coagulates) and settles down at the bottom of the vessel. The broom does exactly that. Its hair brushes away all the dust and waste particles and renders the room neat and clean. That’s exactly what some of us good people end up doing either
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nuclear forces come into play. It is the “Hydrogen Atom” of nuclear physics. It may also be viewed as the simplest odd-odd nucleus‚ having one proton and one neutron. It exhibits features which require the use of a number of new concepts such as exchange force‚ tensor force etc. Of three possible states of two nucleon system‚ di-neutron‚ di-proton‚ and deuteron only deuteron is known to be stable. Since there are only two particles in the nucleus‚ the deuteron problem can be reduced to a one body problem
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largest‚ most powerful‚ and most expensive particle accelerator in the world. It cost 20 countries over $9 billion to build and finance the project. The Large Hadron Collider was built by CERN‚ the European Organization for Nuclear Research. CERN is composed of 20 member nations with the purpose of researching and conducting experiments on particle physics. The purpose of the Large Hadron Collider is to assist in answering fundamental questions in physics in order to increase our knowledge of the
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Investigation of the effect of particle size distribution on the flow properties of bulk solids Abstract This paper reports from a Defra sponsored project which aims to develop a toolkit that can be used by formulators to assist in controlling the flow properties of blended or engineered powders. This paper presents the results of an investigation into the effect of the breadth of the particle size distribution on the flow function‚ bulk density and internal friction of four food grade fillers
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