Physics in real life

Which phenomenon causes a straw to appear bent in water?**

A) Reflection
B) Diffraction
C) Refraction
D) Interference

Which color of light has the highest energy?**

A) Red
B) Green
C) Blue
D) Violet

Which type of mirror is used as a rear-view mirror in cars?**

A) Concave mirror
B) Convex mirror
C) Plane mirror
D) Parabolic mirror

Which property of a material allows it to return to its original shape after deformation?**

A) Plasticity
B) Elasticity
C) Density
D) Hardness