Light Shadows and Reflection

An application of rectilinear propagation of light is ________

Image of sun in pinhole camera can be seen as _______

• circular

• linear

• triangular

Light travels along a _______ line.

Image of an object viewed through a pinhole camera is ______

• linear

• erect

• inverted

All objects which emit light energy by themselves are called _______

A glowing electric bulb is an example of ________ source of light.

• natural

• artificial

Chair is a luminous object (True or False)

A _______ shows only the outline of an object.

• mirror

• shadow

_______ is formed when the path of light is obstructed by an opaque object.

The phenomenon of bouncing back of light is called ________.

• refraction

• reflection

• shadow