Sunglasses or sun glasses are a form of protective eyewear designed primarily to prevent bright sunlight and high-energy visible light from damaging or discomforting the eyes. They can sometimes also function as a visual aid, as variously termed spectacles or glasses exist, featuring lenses that are colored, polarized or darkened. In the early 20th century they were also known as sun cheaters (cheaters being an American slang term for glasses).

The American Optometric Association recommends sunglasses whenever a person is in the sun. to prot ....etc

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I am looking for physics working model for class 12 on step down transformer ? ....etc

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Business studies
Business Studies is an academic subject taught in Australia, Canada, Hong Kong, India, Nigeria, Nepal, Ireland, New Zealand, Pakistan, South Africa, Sri Lanka, Zimbabwe, Argentina, Sweden, Tanzania, Malaysia, Zambia and the United Kingdom, as well as at university level in many countries. Its study combines elements of accountancy, finance, marketing, organizational studies and economics.
reference;
https://en.wikipediawiki/Business_studies ....etc

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Working Model of Transformer

INTRODUCTION

The transformer is a device used for converting a low alternating voltage to a high alternating voltage or a highalternating voltage into a low alternating voltage

PRINCIPLE

It is based on the principle of mutual induction that is if a varying current is set-up in a circuit induced e.m.f. isproduced in the neighboring circuit. The varying current in acircuit produce varying magnetic flux which induces e.m.f. inthe neighboring circuit

STEP-DOWN ....etc

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A transformer is an electrical device that takes electricity of one voltage and changes it into another voltage. You'll see transformers at the top of utility poles and even changing the voltage in a toy train set.

Basically, a transformer changes electricity from high to low voltage using two properties of electricity. In an electric circuit, there is magnetism around it. Second, whenever a magnetic field changes (by moving or by changing strength) a voltage is made. Voltage is the measure of the electric force or pressure that pushes ele ....etc

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Marketing management is the organizational discipline which focuses on the practical application of marketing orientation, techniques and methods inside enterprises and organizations and on the management of a firm's marketing resources and activities.

Globalization has led some firms to market beyond the borders of their home countries, making international marketing a part of those firms' marketing strategy. Marketing managers are often responsible for influencing the level, timing, and composition of customer demand. In part, this is beca ....etc

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Physics Investigatory Project Topic:-Selective Isolation and Manipulation

Abstract
The Objective : The goal of this project is to determine a general set of parameters for moving, manipulating, and cutting single-walled carbon nanotubes with and without a charged tip that can be used on a world-wide scale as a standard for nanochip fabricators.

Methods/Materials
- Pacific Nanotechnology Atomic Force Microscope

- Pacific Nanotechnology Standard AFM tip and Charged AFM tip

- Dell 2350 computer

- Silicon dioxide plated chip with e ....etc

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1.order: they try to maintain the place neat ,clean n tidy.
2.Division of work : depending upon the ones ability work task has been divided like as at counter,in kitchen, in serving .etc.
You might have noticed a billaalongside their nameplate.
3.Espirit de coprs.
4.initiative. ....etc

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physics investigatory project class 12 seleted topic for project ....etc

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Hey! If you are a class 12 student and looking for physics investigatory projects, do not miss CoolJunk DIY(do-it-yourself) physics kits: CoolJunk Physics Investigatory Project Kits

Using step-by-step visual instructions & detailed theory manual, you can make your physics investigatory project within hours & score 100% marks in practical. Here is the list of topic based projects for class 12:

1. Verification of Kirchhoff Laws and Ohms Law
2. Variable Resistors: Potentiometer, Preset & LDR: Sequential glowing of LEDs, Internal structur ....etc

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