Subject :NSO Class : Class 6
A balloon attached to a hollow glass tube was submerged in a container of water as shown here. Rohan placed his mouth over the open end of the glass tube and blew air into it. He observed that the water level in the container rose.
This experiment tells us that air ___________.
(i) has mass
(ii) occupies space
(iii) has a definite volume
(iv) can be compressed
A(i), (ii) and (iv)
B(ii) and (iii)
C(i) and (ii)
D(ii) only
Ans 1:
Class : Class 7
Ans 2:
Class : Class 6