Physics Constants

Question 1

Symbol and value of acceleration due to gravity?

Answer 1

g: 9.8 m·s-².

Question 2

Symbol and value of universal gravitational constant?

Answer 2

G: 6.7 x 10-¹¹ N·m·²·kg-²

Question 3

Symbol and value of the charge on an electron?

Answer 3

e: 1.6 x 10-¹⁹ C

Question 4

Symbol and value of Coulomb’s constant?

Answer 4

k: 9.0 x 10⁹ N·m²·C-²

Question 5

Symbol and value of speed of light in a vacuum?

Answer 5

c: 3.0 x 10 m²·s- ¹

Question 6

Symbol and value of 1 electron volt?

Answer 6

eV: 1.6 x 10- ¹⁹ J

Question 7

Symbol and value of Planck’s constant?

Answer 7

h: 6.6 x 10-³⁴ J·s

Question 8

Symbol and value of the mass of an electron?

Answer 8

me: 9.1 x 10-³¹ kg