Answer:
The sun rays will be focused at the same distance from the mirror.
Explanation:
Laws of reflection do not depend on the refractive index n any form. Hence, the sun’s rays will be focused the same distance from the mirror.
Answer:
The combination, L = I / (m * R) , that appears in the equation for the period of a physical pendulum, is called radius of oscillations
Hope this helps :]
I believe the correct answer is true. <span>A machine can make doing work easier by reducing the force exerted, changing the distance over which the force is exerted, or changing the direction of the force. Hope this answer the question.</span>
First pic:
A
Second pic:
B
Third pic:
D
Fourth pic:
A
If you need an explanation, feel free to ask