Angle of reflection = <span>θ [ As it is equal to angle of incidence ]
Direction of reflected ray is always opposite to direction of incident ray, i.e., away from the surface of mirror.
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The force that holds all these objects together is gravity! :D
Answer:
B.
Explanation:
Im not sure about it but.i hope its right
Answer:
15.Radiowave
16.laser is device that generates an intense beam of other electromagnetic radiation by emission of photons from excited atoms.
17.this is a laboratory instrument commonly used to display and analyse the waveformof electronic signals.
19. this is a space entirely devoid of matter.
Resistance adds up in series and voltage through all resistors as a total adds up to the voltage supply