Fill in the blanks
: The mechanical advantage of inclined plane is always______than 1.

Fill in the blanks: 32 = 2^?

Fill in the blanks: 27 = 3^?

Fill in the blanks: 343 = 7^?

Fill in the blanks: 729 = 9^?

Fill in the blanks: 121 = 11^?

Fill in the blanks : The mechanical advantage is acquired from ________class lever.

Choose the correct alternatives : If the angle between ground and inclined plane is small/big/medium, then the mechanical advantage of that inclned plane is greater.

Fill in the blanks : Mechanical advantage has no_______.It is only a______.

Fill in the blanks:- In reflection angle of incidence and angle of reflection is always_______.

Fill in the blanks:- Virtual image formed by convex lens is always ______ in respect of the object.