.png){kind=logo}
.png)
31.
Which of the following electromagnetic waves has the shortest wavelength?
Explanation:
32.
What is the direction of the magnetic field around a current-carrying wire?
Explanation:
33.
In optics, what is the phenomenon where light waves spread out as they pass through a narrow slit or aperture?
Explanation:
34.
Which type of lens is used to correct nearsightedness?
Explanation:
35.
What is the SI unit of torque?
Explanation:
36.
According to the law of conservation of angular momentum, what happens to the angular momentum of an isolated system?
Explanation:
37.
Which law of thermodynamics states that energy cannot be created or destroyed, only transferred or converted from one form to another?
Explanation:
38.
What is the temperature at which both the Fahrenheit and Celsius scales have the same value?
Explanation:
39.
What is the SI unit of electric current?
40.
What is the direction of the magnetic field inside a solenoid (a coil of wire)?