Physics MCQs:

1) Light  waves are

a)    Transverse waves

b)   Longitudinal waves

c)    Comperssional waves

d)   None of these

2) Wavelength of light, on the average, is given by

a)    10^-14m

b)   10^-10m

c)    10^-6m

d)   10^-4m

3) Which one of the following can act approximately as a source of monochromatic light

a)    Neon lamp

b)   Fluorescent tube

c)    Sodium lamp

d)   None of these

1.a

2.b

3.c