Physics MCQs:

1) Speed of light in vacuum depends upon

a)    Frequency

b)   Wavelength

c)    Amplitude

d)   None of these

2) If ⋋=400 nm, its value in angstrom unit (=10^-10m) is given by

a)    4×10³

b)   4×10^-17

c)    4×10¹⁷

d)   4×10^-3

3) The speed of the secondary wavelets as mentioned in Huygen’s principle is _________the speed of the propagation of the wave.

a)    Equal to

b)   Greater than

c)    Smaller than

d)   None of these

1.d

2.a

3.a