Question

on was discovered by
(a) Thomson
it which and in me
12. Tritium is an isotope of
(a) carbon
(b) hydrogen (c) cobalt
13. When the string of a sitar is plucked
a) String produces transverse waves and longitudinal waves
b) String produces longitudinal waves and transverse waves
c) Longitudinal waves in string and air both
d) Transverse waves in string and air both
14. When a body is immersed in a liquid the buoyant force acts on
a) Vertically upwards
b) Vertical
Sideways towards the walls of the container d) none of
hool attraction between two unit masses present at un
by gravitational
want d) gravitational
motion, the distance move​

Answer 1

Answer:

12. hydrogen

Explanation:

The nucleus of tritium contains one proton and two nutrons