Question

number of times the light gets reflected in a Periscope is _______

Kaleidoscope works on the principle of ___________

___________ image ( type) is formed by a plane mirror

the type of mirror used in hair dressing saloons is _______

types of mirror used in a kaleidoscope is _____________

Periscopes are used in the field of ___________

number of images formed when two planes mirror are arranged parallel to each other is ________

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Answer 1

Answer:

1. 2 times

2. Reflection

3. Virtual

4. plane

5.plane

6.warfare

7. infinite if facing each other, 2 if not