and do not post this type of questions plz it is the request plz
the value of speed of light is = 3 × 10^8 m/s
i hope u got the answer.
btw , why last bye ?
classification of bricks based on quality
second class brick: the size is standard, color is uniform yellow or red. it is well burnt, slightly over burnt is acceptable. it has a regular shape; efflorescence is not appreciable. the absorption capacity is more than 10% but less than 15%.
learn it is also related to