Question

Choose
the
correct
option
.
1.
Which
of
the
following
is
an
artificial
luminous
object
?
2.
Which
of
the
following
is
a
translucent
object
?
3.
Which
of
the
following
produces
a
parallel
beam
of
light
?
(a) Torch
(b) Moon
(c) Tree
(d) Chair
(a) Grease paper
(b) Glass
(c) Air
(d) Marble
(a) Lighthouse
(b) Bulb
(c) Sun
(d) Candle
4. Which of the following is not a characteristic of shadow?
(a) It is always formed on the opposite side of the light source.
(b) It is of the same size as that of the object.
(c) It is always dark in colour.
(d) It is of the same shape as the object.
5. The size of the shadow depends on
(a) the distance between the source of light and the object
(b) the distance between the object and the screen
the size of the source of light and the object (d) all of these
6. The phenomenon showing rectilinear propagation of light is/are
(a) formation of shadows
(b) occurrence of eclipses
(c) both of these
(d) none of these​

Answer 1

Answer:

1. torch

2. grease paper

3. light (I am not confirm)

4.(b) it is of the same size as that of the object

5.(d) all of these

6.sorry i don't know