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Online typing jobs without investment daily payment

There are a few online typing jobs that offer daily payment without investment. However, it is important to note that these jobs are often very competitive, and the pay is usually low. Examples of online typing jobs without investment in daily payment Data entry: Data entry jobs involve typing data into a computer system. This can include tasks such as entering customer information, transcribing documents, or updating databases. There are many websites that offer data entry jobs, such as Upwork, Fiverr, and Captioning: Captioning jobs involve typing the audio of videos and movies into text. This is a good option for people who are good at typing quickly and accurately. There are a number of websites that offer captioning jobs, such as and TranscribeMe. Transcription: Transcription jobs involve typing the audio of recorded conversations into text. This can include tasks such as transcribing medical interviews, legal proceedings, or business meetings. There are

Geometrical Optics

Geometrical Optics Notes for Class 11 - 12

Optical path

The path traversed by light in a vacuum at a particular time which is taken by the light to travel a particular distance in any other medium is called an optical path.

Fermat's Principle

When a light ray traverses from one point to other after reflection or refraction it follows a path whose distance will be either maximum or minimum and the time that will be taken for this will be maximum or minimum.

Power of lens

The ability of a lens to converge or diverge a bundle of light rays is called the power of a lens.

The power of a lens having a one-meter focal length is called one diopter. The power of a lens is inversely proportional to its focal length.

Angular magnification

Angular magnification is defined as the ratio of the visual angle produced in the eye by the image of an object formed by a visual instrument to the visual angle produced in the eye directly by the object.


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