The construction of an optical square is based on optical
AReflection
BDouble refraction
CRefraction
DDouble reflection
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
The compressive strength of stone is find out by
In the preparation of drawings of a building,the drawings prepared are called
U-tube manometer is used to determine
The pressure exerted by the retained earth on the retaining wall is called
If the sum of all forces acting on a body is zero, then the body may be in equilibrium provided the forces are