Answer:
The law of reflection states that the angle of incidence = the angle of reflection.
Explanation:
Reflection is the phenomenon that occurs when a ray of light hits the boundary between two media and it is reflected back into the first medium.
In such a situation, we call:
- angle of incidence: it is the angle between the direction of the incident ray and the normal to the surface
- angle of reflection: it is the angle between the direction of the reflected ray and the normal to the surface
There is a precise relationship between the angle of incidence and the angle of reflection. In fact, the Law of Reflection states that:
- The incident ray, the reflected ray and the normal to the surface all lie within the same plane
- The angle of reflection is equal to the angle of incidence
Answer:
750W
Explanation:
40×10= 400N
work done= force × distance
=400 × 75
=30000 J
Power= work done/ time
= 30000 ÷ 40
= 750 W
Answer: A
Explanation: isotopes of the same thing element have the same number of protons in the nucleus but differ in the number of neutrons.
I think that would be c) mirror because mirrors reflects light and can't create it.
Answer:
D gravity
Explanation:
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