EASY
7th CBSE
IMPORTANT
Earn 100

A balance wheel is used in
(a)hourglass
(b)wall clock
(c)quartz watch
(d)stopwatch

100% studentsanswered this correctly

Important Questions on Motion and Time
EASY
7th CBSE
IMPORTANT

EASY
7th CBSE
IMPORTANT

EASY
7th CBSE
IMPORTANT

EASY
7th CBSE
IMPORTANT

EASY
7th CBSE
IMPORTANT

EASY
7th CBSE
IMPORTANT

EASY
7th CBSE
IMPORTANT

EASY
7th CBSE
IMPORTANT
