The speed of light in air is………
NTS PST 24/11/2019 (11:30) , NTS PET 24/08/2019 (1:30)
a) 3× 108 m/s
b) 8 × 103 m/s
c) 3× 108 km/h
d) 3× 108 km/h
Light passes through Glass. So glass is……….
a) transparent
b) translucent
c) opaque
d) all of these
The passage of light through a transparent object is called the ………..of light.
a) Absorption
b) Transmission
c) reflection
d) all of these
Water is the example of ……..type of material.
NTS PST 15/12/2019 (3:00)
a) transparent
b) translucent
c) opaque
d) luminous
Light cannot pass through…………materials like wood etc.
a) transparent
b) translucent
c) opaque
d) all of these
When light falls on a smooth shiny object, the bouncing of light is called……….
a) Absorption
b) Transmission
c) reflection
d) all of these
