Dear preetha
Appplication of dot product in real life is to find the work done
W =F.d here W F and d are vectors
and application of cross product is in finding of torque
T= r X F here T ,r and F are cross product
you can also have many more application in real lfe.
Please feel free to post as many doubts on our discussion forum as you can.
If you find any question Difficult to understand - post it here and we will get you the answer and detailed solution very quickly.
We are all IITians and here to help you in your IIT JEE & AIEEE preparation.
All the best.
Regards,
Askiitians Experts
Badiuddin