Subject :IGK Class : Class 7
Read the given statements.
(i) A compact fluorescent lamp uses 75% less energy than a traditional bulb.
(ii) Earth Hour is celebrated on the same day every year.
(iii) The screen saver on a computer saves energy.
(iv) About 30% of the cool air inside a refrigerator escapes everytime its door is opened.
How many statements given above is/ are true?
A1
B2
C3
D4
Ans 1:
Class : Class 10
Ans 2:
Class : Class 8
hi
Ans 3:
Class : Class 9