1. T F The focal length of a concave mirror is positive 2. T F The focal length
ID: 2120825 • Letter: 1
Question
1. T F The focal length of a concave mirror is positive
2. T F The focal length of a concave lens is positive
3. T F In water, the speed of light is 3*10^8 m/s
4. T F Unpolarized light hits a polarizer. The intensity depends on the polarizer angle
5. T F Polarized light hits a polarizer. The intensity depends on the polarizer angle
6. T F Light hits a mirror from the left. On the right side, the image distance is negative
7. T F Light hits a lens from the left. On the right side, the image distance is negative
8. T F Total internal reflection is possible when you go from low index to high index
9. T F For a double slit, a path difference of 1 wave gives destructive interference.
10. T F For a single slit, a path difference of 1 wave gives destructive interference.
11. T F When looking at an object moving at high speed, its clock appear to move slower.
Explanation / Answer
T
F
F
F
T
F
T
T
T
F
T
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.