very easy.....make a firm grip on it becauz it is the basic thing of phy
PLZ APPROVE MY ANS
vivek kumar
13 Years ago
no
Madhukar Thalore
13 Years ago
it is not very tough but you can take it as average.
Saurabh Anand
13 Years ago
if u wont command it then u will face a lot of problems in many chapters...
KAPIL MANDAL
11 Years ago
No, it absolutely very easy. Have it with fun
vindhya
11 Years ago
this chapter is not hard. but one must clear his/her concepts. so read and understand the text and practice numericals, as mistakes are often made in them.