Hey Janavika ! Don't be so worried dear. If you want , You can Score even 180/180 ,it's not a great thing, but you have to eradicate the fear of Physics from your Cranium !

OK I want to share a short trick to improve the physics and I've implemented it and found really great results, Hope it may be helpful to you and also who are reading this answer.

But you have to follow it systematically.

Step 1 =
Read the Chapter thoroughly from any reference book with which you are reliable and also by heart, Because if you give your interest in the subject in which you are weak, then it becomes easier to tackle it. You may follow any publication that is best for you.

Step 2=
Go to the examples given inside the Book, try to understand yourself the basics used to solve the problems. Or you may follow any modules.

Step 3=
TEST YOUR BRAIN
Go through the problems again To know how much you brain has retained the concepts.
You can follow the step 3 after 3-4 hr or after 1 day, just after following Step 2.

Step 4=
Figure out Your deficiencies
Now you will be able to Know in which topics you are lacking .

Step 5=
Build up the concepts !
To clear you concepts, Again Go to the particular topic, For clearing doubts you may again read the book, or You may follow the YouTube, Or you may take the help of your teachers. It's your Choice.

Now you can realize that Your Weakness has become your Strength.

Step 6=
PRACTICE MaKES GIRL PERFECT ( I know you are a girl, that's why no man, it's girl! Hehe)

Now your concepts are crystal clear, Solve as many as you can and also solve the previous years questions, Solving numericals really provide you the guidelines in which direction you have to think..

Step 7=
Note down the question solving skills discovered by yourself !

Really note that because it's an instantaneous phenomenon..

Step 8=
Revise and Revise again !
Before going to sleep, you can recall all the concepts that you have learned, it boosts up your memory.

Have Patience! Wish you all the best for your bright future ahead..

Practice makes man perfect
just take it simple dude do u know it's the simplest subject of our field it is not like bio which need several revision it just need to be ur basic concepts clear