A. Frequency
B. Amplitude
C. Wavelength
D. Phase difference
A. Velocity in air
B. amplitude
C. Frequency
D. State of polarization
A. Red
B. Violet
C. Green
D. Yellow
A. Electric and magnetic fields are in the same phase
B. Electric and magnetic fields are out of phase
C. Electric and magnetic fields are sometimes in phase and sometimes out of phase
D. All of these
A. X-ray
B. Y-ray
C. Cathode rays
D. Infra-red rays
A. Their wavelengths should be the same
B. The wavelength of electromagnetic waves will be more
C. The wavelength of ultrasonic waves will be more
D. None
A. Longitudinal wave
B. Transverse wave
C. Polarized wave
D. None
A. Interference
B. Reflection
C. Refraction
D. None
A. Increase the magnetic flux
B. Increase the output
C. Decrease the current
D. Decrease the output resistance
A. Verifying inverse square law
B. Finding the mass of a magnet
C. Comparing magnetic moments
D. Measuring dip