Art, asked by kavithks, 4 months ago

In shades of pencils like HB 2B 4B 6B 10B what is the full form of B?
And what is the full form of HB

Answers

Answered by itrk229

1

The full form of HB is Hard black
And these are the hardness of the grades of 2B,4B,6B etc.

Previous Question

Next Question

Similar questions

Science, 2 months ago

A force of 12N acts on an object of mass of 4kg in the state of rest for 3s. Calculate the kinetic energy acquired by the object.

English, 2 months ago

name the 5 ovals and consonants....??

Chemistry, 2 months ago

please send me the ans ch-6 class 11 chemistry...

Political Science, 4 months ago

what is judiciaryपॉलिटिकल सब्जेक्ट में देखो ...

Physics, 4 months ago

If 150 J of heat is added to a system and the work done by the system is 110 J, then change in internal energy will be 1) 260 J 2) 150 J 3) 110 J 4) 40 J...

Math, 10 months ago

Prove that every line segment has one and only one midpoint. PLEASE DO NOT SPAM...

Math, 10 months ago

find x, y and z........

Math, 10 months ago

Solve it with explanation so that I will be able to solve it if this type of question comes in examination . ALL THE BEST TO STUDENTS APPEARING IN BOARD EXAMS .