What are braille characters?

Small triangular blocks that contains raised dots

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Small rectangular blocks that contains raised dots

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Small triangular blocks that contains suppressed dots

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Small square blocks that contains raised dots

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Solution

The correct option is B Small rectangular blocks that contains raised dots
Braille is a tactile writing system used by people who are visually impaired. It is traditionally written with embossed paper.
Braille characters are rectangular in shape with raised dots which helps person to identify the characters by touching characters.

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Q. Two blocks of mass

10

kg and

30

kg are placed along a vertical line the first block of mass

10

kg is raised through a height of

7

cm by what distance should the second block of mass

30

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