Physics MCQs:

1) A pulse on a string is inverted when it is reflected from

a)    A fixed end

b)   A free end

c)    Either of the ends

d)   None of these

2) The arrangement of visible colors in grating is given by

a)    VIBGYOR

b)   ROYGBIV

c)    VIBGOBY

d)   VIBYGOR

3) If the distant star is receding from us, the spectral line from such a star when examined on earth will show

a)    No shift in frequency

b)   A shift in frequency towards the red end

c)    A shift in frequency towards the violet end

d)   None of these

1.a

2.b

3.b