A. Height displacement of a will be less than that of b B. Height displacement of b will be less than that of a C. Height displacement of a and b is equal D. Height displacement of a and b will be towards each other
A. Produces a time varying magnetic field and vice versa B. Once generated, remains self-propagating C. Is capable to travel across space D. All of these
A. Synoptic view of a large area B. Constant solar zenith angles and similar illumination conditions C. Repetitive observations of the same area with intervals of a few minutes to a few weeks D. All of these