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41.
What type of mirror forms a virtual, upright, and magnified image?
Explanation:
42.
What is the phenomenon where light waves change direction as they pass from one medium into another with a different refractive index?
Explanation:
43.
What is the SI unit of force?
44.
When an object is at rest or moving at a constant velocity, which of the following is true?
Explanation:
45.
Which law of thermodynamics states that the total energy of an isolated system is constant?
Explanation:
46.
What is the temperature at which water boils at standard atmospheric pressure in degrees Celsius?
47.
What is the SI unit of resistance in an electrical circuit?
48.
What is the direction of the electric field between two oppositely charged parallel plates?
Explanation:
49.
What type of lens is used to correct astigmatism?
Explanation:
50.
What is the phenomenon where light waves change direction as they pass through a material and slow down?