Download PDF
Download in pdf physics general knowledge quiz questions and answers or GK objective questions with answers. These multiple choice questions and answers include mcqs on ultraviolet rays, light etc.
(106)
When a person sitting on a swing stands up the swing, the frequency of oscillation
[A]
increases
[B]
decreases
[C]
becomes infinite
[D]
does not change
Comment
(107)
Forged documents are detected by
[A]
beta rays
[B]
infra-red rays
[C]
ultraviolet rays
[D]
gamma rays
Comment
(108)
When light passes from air to glass its speed
[A]
decreases
[B]
increases and does not depend upon the density of glass
[C]
speed increases and depends upon the density of the glass
[D]
does not change
Comment
(109)
A green leaf when seen in red light would appear to be
[A]
white
[B]
cyan
[C]
magenta
[D]
yellow
Comment
(110)
The wave theory of light cannot explain the phenomenon of
[A]
scattering
[B]
polarisation
[C]
reflection
[D]
photoelectric effect
Comment
Take Mock Tests
Chapters