Physics MCQs

1) A line which represents the direction of travel of a wave is known as

a)    Wavelength

b)   Locus

c)    Ray

d)   Either b or c

2) The property of light which does not change with the nature of medium is

a)    Frequency

b)   Amplitude

c)    Wavelength

d)   None of these

3) The appearance of colors in the soap ( or oil) film results from

a)    Dispersion

b)   Interference

c)    Reflection

d)   Refraction