A physical quantity of the dimensions of length that can be formed out of c, G is [c is velocity of light, G is universal constant of gravitation and e is charge contexto.120 3 years ago Solution: Answer (4) According to the question, we have: on comparing we get, a = 3b + 3c =1, −b + c = 0 a + 2b + 2c = 0 On solving we get, a = −2, b = 21, c = 21 Thus, the answer is: