When red and green pure colors (not pigment colors) are mixed equally, what is the resulting color?

Speed of light in vacuum is 3.0 x 108 m/s. Speed of light in glass is 2.0 x 108 m/s. What is the refractive index of glass?

When total internal reflection happens at a plastic-air interface 

How many nodes are there on a string that vibrates in its second harmonic?

Which of the following statements is true of plane polarized light?

Match each type of meeting format to it’s pro or con

5 J of work is required to move 1 C of charge from one end of a conductor to the other. What is the potential difference between the ends of the conductor?

Which of the following is the same as 1 V?

Magnetic field lines satrts from N-pole and ends to S-pole.

Which of the following is likely to happen when a conductor is connected between the poles of a cell?