What is the longest chord?

Statement(A): Diameter is the longest chord in the circle Statement(B):We can draw infinite no of chords in a circle

Which is the longest side in the triangle PQR right angled at P?

Which is the longest side in triangleXYZ having right angle at 'Z'?

What is the longest wavelength line in Paschen series for hydrogen?

Which is the longest group of the long form of the periodic table? How many elements are present in it?

The longest chord in a circle is …………

Which of the following has the longest C - O bond ?