defence exam BSF Head Constable (RO/RM) Mock Test 2023 Physics Electromagnetic Waves Reflection and Refraction
Identify the incorrect statement.
1
Multiple images can be formed using multiple number of plane mirrors.
2
Periscope works on the principle of refraction of light.
3
Kaleidoscope uses multiple reflections to form different color patterns.
4
Only a single image can be formed using one plane mirror.