A ray passing through the center of curvature of concave mirror is inclined at angle alpha to its principle axis. what is the angle of reflection
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December 2022
write a letter to universed book depot , about wrong supply of the book
Jattfropunjab
Asked:
December 2022
Dissolve sugar is an example of. .......... (a) physical change (b) chemical change (c) redox reaction (d) none of these
Jattfropunjab
Asked:
December 2022
wtite a letter to universed book depot , about wrong supply of book
Jattfropunjab
Asked:
December 2022
A substance which oxidises itself and reduce other is known as .............. (a) oxidising agent. (b) Reducing agent.