Question

which of the following does not work on the principle of reflection of light
a) periscope
b) bathroom mirror
c) pinhole cameras
d) telescope​

Answer 1

Answer:

a

Explanation:

Becuse all other works on the principal of reflection of light

Answer 2

Pinhole cameras does not work on the principle of reflection of light.

Pinhole cameras does not work on the principle of reflection of light. So, the correct option is c.

• Periscope, Bathroom mirror, telescope all work on the principle of reflection of light.
• Pinhole cameras are a device where no lense or mirror is present. The light passed here in a straight line. It work on the principle of rectilinear propagation of light.