A. Balmer series
B. Pfund series
C. Bracket series
D. Lymann series
A. light waves on it
B. microwaves on it
C. radio waves on it
D. ultra high frequency waves on it
A. 1
B. i^
C. j^
D. k^
The speed of light will be minimum while passing through which of the following mediums? Notes: Light travels at approximately 300,000 kilometers per second in a vacuum, which has a refractive index of 1.0, but it slows down to 225,000 kilometers per second in water and 200,000 kilometers per second in glass.
A. 107m/sec
B. Should be greater than the speed of light.
C. Be zero
D. Not be wave-like
A. the sum of the frequencies of two tuning forks
B. the difference of the frequencies of two tuning forks
C. the ratio of the frequencies of two tuning forks
D. the frequency of either of the two tuning forks
A. charge in motion
B. charge at rest
C. both
D. none